2021649160

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 4847040000

約数和(自身を除く): 2825390840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 109, 116, 118, 145, 218, 232, 236, 271, 290, 295, 436, 472, 542, 545, 580, 590, 872, 1084, 1090, 1160, 1180, 1355, 1711, 2168, 2180, 2360, 2710, 3161, 3422, 4360, 5420, 6322, 6431, 6844, 7859, 8555, 10840, 12644, 12862, 13688, 15718, 15805, 15989, 17110, 25288, 25724, 29539, 31436, 31610, 31978, 32155, 34220, 39295, 51448, 59078, 62872, 63220, 63956, 64310, 68440, 78590, 79945, 118156, 126440, 127912, 128620, 147695, 157180, 159890, 186499, 236312, 257240, 295390, 314360, 319780, 372998, 463681, 590780, 639560, 745996, 856631, 927362, 932495, 1181560, 1491992, 1713262, 1742801, 1854724, 1864990, 2318405, 3426524, 3485602, 3709448, 3729980, 4283155, 4636810, 6853048, 6971204, 7459960, 8566310, 8714005, 9273620, 13942408, 17132620, 17428010, 18547240, 34265240, 34856020, 50541229, 69712040, 101082458, 202164916, 252706145, 404329832, 505412290, 1010824580, 2021649160]

約数ペア:

[(1, 2021649160), (2, 1010824580), (4, 505412290), (5, 404329832), (8, 252706145), (10, 202164916), (20, 101082458), (29, 69712040), (40, 50541229), (58, 34856020), (59, 34265240), (109, 18547240), (116, 17428010), (118, 17132620), (145, 13942408), (218, 9273620), (232, 8714005), (236, 8566310), (271, 7459960), (290, 6971204), (295, 6853048), (436, 4636810), (472, 4283155), (542, 3729980), (545, 3709448), (580, 3485602), (590, 3426524), (872, 2318405), (1084, 1864990), (1090, 1854724), (1160, 1742801), (1180, 1713262), (1355, 1491992), (1711, 1181560), (2168, 932495), (2180, 927362), (2360, 856631), (2710, 745996), (3161, 639560), (3422, 590780), (4360, 463681), (5420, 372998), (6322, 319780), (6431, 314360), (6844, 295390), (7859, 257240), (8555, 236312), (10840, 186499), (12644, 159890), (12862, 157180), (13688, 147695), (15718, 128620), (15805, 127912), (15989, 126440), (17110, 118156), (25288, 79945), (25724, 78590), (29539, 68440), (31436, 64310), (31610, 63956), (31978, 63220), (32155, 62872), (34220, 59078), (39295, 51448)]