221104520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 256

約数和(自身を含む): 677376000

約数和(自身を除く): 456271480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 23, 26, 28, 35, 38, 40, 46, 52, 56, 65, 70, 76, 91, 92, 95, 104, 115, 130, 133, 139, 140, 152, 161, 182, 184, 190, 230, 247, 260, 266, 278, 280, 299, 322, 364, 380, 437, 455, 460, 494, 520, 532, 556, 598, 644, 665, 695, 728, 760, 805, 874, 910, 920, 973, 988, 1064, 1112, 1196, 1235, 1288, 1330, 1390, 1495, 1610, 1729, 1748, 1807, 1820, 1946, 1976, 2093, 2185, 2392, 2470, 2641, 2660, 2780, 2990, 3059, 3197, 3220, 3458, 3496, 3614, 3640, 3892, 4186, 4370, 4865, 4940, 5282, 5320, 5560, 5681, 5980, 6118, 6394, 6440, 6916, 7228, 7784, 8372, 8645, 8740, 9035, 9730, 9880, 10465, 10564, 11362, 11960, 12236, 12649, 12788, 13205, 13832, 14456, 15295, 15985, 16744, 17290, 17480, 18070, 18487, 19460, 20930, 21128, 22379, 22724, 24472, 25298, 25576, 26410, 28405, 30590, 31970, 34333, 34580, 36140, 36974, 38920, 39767, 41561, 41860, 44758, 45448, 50596, 52820, 56810, 60743, 61180, 63245, 63940, 68666, 69160, 72280, 73948, 79534, 83122, 83720, 89516, 92435, 101192, 105640, 111895, 113620, 121486, 122360, 126490, 127880, 137332, 147896, 159068, 166244, 171665, 179032, 184870, 198835, 207805, 223790, 227240, 240331, 242972, 252980, 274664, 290927, 303715, 318136, 332488, 343330, 369740, 397670, 415610, 425201, 447580, 480662, 485944, 505960, 581854, 607430, 686660, 739480, 789659, 795340, 831220, 850402, 895160, 961324, 1163708, 1201655, 1214860, 1373320, 1454635, 1579318, 1590680, 1662440, 1700804, 1922648, 2126005, 2327416, 2403310, 2429720, 2909270, 3158636, 3401608, 3948295, 4252010, 4806620, 5527613, 5818540, 6317272, 7896590, 8504020, 9613240, 11055226, 11637080, 15793180, 17008040, 22110452, 27638065, 31586360, 44220904, 55276130, 110552260, 221104520]

約数ペア:

[(1, 221104520), (2, 110552260), (4, 55276130), (5, 44220904), (7, 31586360), (8, 27638065), (10, 22110452), (13, 17008040), (14, 15793180), (19, 11637080), (20, 11055226), (23, 9613240), (26, 8504020), (28, 7896590), (35, 6317272), (38, 5818540), (40, 5527613), (46, 4806620), (52, 4252010), (56, 3948295), (65, 3401608), (70, 3158636), (76, 2909270), (91, 2429720), (92, 2403310), (95, 2327416), (104, 2126005), (115, 1922648), (130, 1700804), (133, 1662440), (139, 1590680), (140, 1579318), (152, 1454635), (161, 1373320), (182, 1214860), (184, 1201655), (190, 1163708), (230, 961324), (247, 895160), (260, 850402), (266, 831220), (278, 795340), (280, 789659), (299, 739480), (322, 686660), (364, 607430), (380, 581854), (437, 505960), (455, 485944), (460, 480662), (494, 447580), (520, 425201), (532, 415610), (556, 397670), (598, 369740), (644, 343330), (665, 332488), (695, 318136), (728, 303715), (760, 290927), (805, 274664), (874, 252980), (910, 242972), (920, 240331), (973, 227240), (988, 223790), (1064, 207805), (1112, 198835), (1196, 184870), (1235, 179032), (1288, 171665), (1330, 166244), (1390, 159068), (1495, 147896), (1610, 137332), (1729, 127880), (1748, 126490), (1807, 122360), (1820, 121486), (1946, 113620), (1976, 111895), (2093, 105640), (2185, 101192), (2392, 92435), (2470, 89516), (2641, 83720), (2660, 83122), (2780, 79534), (2990, 73948), (3059, 72280), (3197, 69160), (3220, 68666), (3458, 63940), (3496, 63245), (3614, 61180), (3640, 60743), (3892, 56810), (4186, 52820), (4370, 50596), (4865, 45448), (4940, 44758), (5282, 41860), (5320, 41561), (5560, 39767), (5681, 38920), (5980, 36974), (6118, 36140), (6394, 34580), (6440, 34333), (6916, 31970), (7228, 30590), (7784, 28405), (8372, 26410), (8645, 25576), (8740, 25298), (9035, 24472), (9730, 22724), (9880, 22379), (10465, 21128), (10564, 20930), (11362, 19460), (11960, 18487), (12236, 18070), (12649, 17480), (12788, 17290), (13205, 16744), (13832, 15985), (14456, 15295)]