201045020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 476969472

約数和(自身を除く): 275924452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 71, 110, 122, 142, 211, 220, 244, 284, 305, 355, 422, 610, 671, 710, 781, 844, 1055, 1220, 1342, 1420, 1562, 2110, 2321, 2684, 3124, 3355, 3905, 4220, 4331, 4642, 6710, 7810, 8662, 9284, 11605, 12871, 13420, 14981, 15620, 17324, 21655, 23210, 25742, 29962, 43310, 46420, 47641, 51484, 59924, 64355, 74905, 86620, 95282, 128710, 141581, 149810, 164791, 190564, 238205, 257420, 283162, 299620, 329582, 476410, 566324, 659164, 707905, 823955, 913841, 952820, 1415810, 1647910, 1827682, 2831620, 3295820, 3655364, 4569205, 9138410, 10052251, 18276820, 20104502, 40209004, 50261255, 100522510, 201045020]

約数ペア:

[(1, 201045020), (2, 100522510), (4, 50261255), (5, 40209004), (10, 20104502), (11, 18276820), (20, 10052251), (22, 9138410), (44, 4569205), (55, 3655364), (61, 3295820), (71, 2831620), (110, 1827682), (122, 1647910), (142, 1415810), (211, 952820), (220, 913841), (244, 823955), (284, 707905), (305, 659164), (355, 566324), (422, 476410), (610, 329582), (671, 299620), (710, 283162), (781, 257420), (844, 238205), (1055, 190564), (1220, 164791), (1342, 149810), (1420, 141581), (1562, 128710), (2110, 95282), (2321, 86620), (2684, 74905), (3124, 64355), (3355, 59924), (3905, 51484), (4220, 47641), (4331, 46420), (4642, 43310), (6710, 29962), (7810, 25742), (8662, 23210), (9284, 21655), (11605, 17324), (12871, 15620), (13420, 14981)]