197888880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1931}}^1$

素因数の和:2015

約数の個数: 160

約数和(自身を含む): 712954368

約数和(自身を除く): 515065488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 183, 210, 240, 244, 280, 305, 336, 366, 420, 427, 488, 560, 610, 732, 840, 854, 915, 976, 1220, 1281, 1464, 1680, 1708, 1830, 1931, 2135, 2440, 2562, 2928, 3416, 3660, 3862, 4270, 4880, 5124, 5793, 6405, 6832, 7320, 7724, 8540, 9655, 10248, 11586, 12810, 13517, 14640, 15448, 17080, 19310, 20496, 23172, 25620, 27034, 28965, 30896, 34160, 38620, 40551, 46344, 51240, 54068, 57930, 67585, 77240, 81102, 92688, 102480, 108136, 115860, 117791, 135170, 154480, 162204, 202755, 216272, 231720, 235582, 270340, 324408, 353373, 405510, 463440, 471164, 540680, 588955, 648816, 706746, 811020, 824537, 942328, 1081360, 1177910, 1413492, 1622040, 1649074, 1766865, 1884656, 2355820, 2473611, 2826984, 3244080, 3298148, 3533730, 4122685, 4711640, 4947222, 5653968, 6596296, 7067460, 8245370, 9423280, 9894444, 12368055, 13192592, 14134920, 16490740, 19788888, 24736110, 28269840, 32981480, 39577776, 49472220, 65962960, 98944440, 197888880]

約数ペア:

[(1, 197888880), (2, 98944440), (3, 65962960), (4, 49472220), (5, 39577776), (6, 32981480), (7, 28269840), (8, 24736110), (10, 19788888), (12, 16490740), (14, 14134920), (15, 13192592), (16, 12368055), (20, 9894444), (21, 9423280), (24, 8245370), (28, 7067460), (30, 6596296), (35, 5653968), (40, 4947222), (42, 4711640), (48, 4122685), (56, 3533730), (60, 3298148), (61, 3244080), (70, 2826984), (80, 2473611), (84, 2355820), (105, 1884656), (112, 1766865), (120, 1649074), (122, 1622040), (140, 1413492), (168, 1177910), (183, 1081360), (210, 942328), (240, 824537), (244, 811020), (280, 706746), (305, 648816), (336, 588955), (366, 540680), (420, 471164), (427, 463440), (488, 405510), (560, 353373), (610, 324408), (732, 270340), (840, 235582), (854, 231720), (915, 216272), (976, 202755), (1220, 162204), (1281, 154480), (1464, 135170), (1680, 117791), (1708, 115860), (1830, 108136), (1931, 102480), (2135, 92688), (2440, 81102), (2562, 77240), (2928, 67585), (3416, 57930), (3660, 54068), (3862, 51240), (4270, 46344), (4880, 40551), (5124, 38620), (5793, 34160), (6405, 30896), (6832, 28965), (7320, 27034), (7724, 25620), (8540, 23172), (9655, 20496), (10248, 19310), (11586, 17080), (12810, 15448), (13517, 14640)]