290421040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 240

約数和(自身を含む): 872756640

約数和(自身を除く): 582335600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 41, 49, 52, 56, 65, 70, 80, 82, 91, 98, 104, 112, 130, 139, 140, 164, 182, 196, 205, 208, 245, 260, 278, 280, 287, 328, 364, 392, 410, 455, 490, 520, 533, 556, 560, 574, 637, 656, 695, 728, 784, 820, 910, 973, 980, 1040, 1066, 1112, 1148, 1274, 1390, 1435, 1456, 1640, 1807, 1820, 1946, 1960, 2009, 2132, 2224, 2296, 2548, 2665, 2780, 2870, 3185, 3280, 3614, 3640, 3731, 3892, 3920, 4018, 4264, 4592, 4865, 5096, 5330, 5560, 5699, 5740, 6370, 6811, 7228, 7280, 7462, 7784, 8036, 8528, 9035, 9730, 10045, 10192, 10660, 11120, 11398, 11480, 12649, 12740, 13622, 14456, 14924, 15568, 16072, 18070, 18655, 19460, 20090, 21320, 22796, 22960, 25298, 25480, 26117, 27244, 28495, 28912, 29848, 32144, 34055, 36140, 37310, 38920, 39893, 40180, 42640, 45592, 50596, 50960, 52234, 54488, 56990, 59696, 63245, 68110, 72280, 74087, 74620, 77840, 79786, 80360, 88543, 91184, 101192, 104468, 108976, 113980, 126490, 130585, 136220, 144560, 148174, 149240, 159572, 160720, 177086, 199465, 202384, 208936, 227960, 252980, 261170, 272440, 279251, 296348, 298480, 319144, 354172, 370435, 398930, 417872, 442715, 455920, 505960, 518609, 522340, 544880, 558502, 592696, 638288, 708344, 740870, 797860, 885430, 1011920, 1037218, 1044680, 1117004, 1185392, 1396255, 1416688, 1481740, 1595720, 1770860, 2074436, 2089360, 2234008, 2593045, 2792510, 2963480, 3191440, 3541720, 3630263, 4148872, 4468016, 5186090, 5585020, 5926960, 7083440, 7260526, 8297744, 10372180, 11170040, 14521052, 18151315, 20744360, 22340080, 29042104, 36302630, 41488720, 58084208, 72605260, 145210520, 290421040]

約数ペア:

[(1, 290421040), (2, 145210520), (4, 72605260), (5, 58084208), (7, 41488720), (8, 36302630), (10, 29042104), (13, 22340080), (14, 20744360), (16, 18151315), (20, 14521052), (26, 11170040), (28, 10372180), (35, 8297744), (40, 7260526), (41, 7083440), (49, 5926960), (52, 5585020), (56, 5186090), (65, 4468016), (70, 4148872), (80, 3630263), (82, 3541720), (91, 3191440), (98, 2963480), (104, 2792510), (112, 2593045), (130, 2234008), (139, 2089360), (140, 2074436), (164, 1770860), (182, 1595720), (196, 1481740), (205, 1416688), (208, 1396255), (245, 1185392), (260, 1117004), (278, 1044680), (280, 1037218), (287, 1011920), (328, 885430), (364, 797860), (392, 740870), (410, 708344), (455, 638288), (490, 592696), (520, 558502), (533, 544880), (556, 522340), (560, 518609), (574, 505960), (637, 455920), (656, 442715), (695, 417872), (728, 398930), (784, 370435), (820, 354172), (910, 319144), (973, 298480), (980, 296348), (1040, 279251), (1066, 272440), (1112, 261170), (1148, 252980), (1274, 227960), (1390, 208936), (1435, 202384), (1456, 199465), (1640, 177086), (1807, 160720), (1820, 159572), (1946, 149240), (1960, 148174), (2009, 144560), (2132, 136220), (2224, 130585), (2296, 126490), (2548, 113980), (2665, 108976), (2780, 104468), (2870, 101192), (3185, 91184), (3280, 88543), (3614, 80360), (3640, 79786), (3731, 77840), (3892, 74620), (3920, 74087), (4018, 72280), (4264, 68110), (4592, 63245), (4865, 59696), (5096, 56990), (5330, 54488), (5560, 52234), (5699, 50960), (5740, 50596), (6370, 45592), (6811, 42640), (7228, 40180), (7280, 39893), (7462, 38920), (7784, 37310), (8036, 36140), (8528, 34055), (9035, 32144), (9730, 29848), (10045, 28912), (10192, 28495), (10660, 27244), (11120, 26117), (11398, 25480), (11480, 25298), (12649, 22960), (12740, 22796), (13622, 21320), (14456, 20090), (14924, 19460), (15568, 18655), (16072, 18070)]