884639620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{21757}}^1$

素因数の和:21892

約数の個数: 48

約数和(自身を含む): 1973885760

約数和(自身を除く): 1089246140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 380, 428, 535, 1070, 2033, 2140, 4066, 8132, 10165, 20330, 21757, 40660, 43514, 87028, 108785, 217570, 413383, 435140, 826766, 1653532, 2066915, 2327999, 4133830, 4655998, 8267660, 9311996, 11639995, 23279990, 44231981, 46559980, 88463962, 176927924, 221159905, 442319810, 884639620]

約数ペア:

[(1, 884639620), (2, 442319810), (4, 221159905), (5, 176927924), (10, 88463962), (19, 46559980), (20, 44231981), (38, 23279990), (76, 11639995), (95, 9311996), (107, 8267660), (190, 4655998), (214, 4133830), (380, 2327999), (428, 2066915), (535, 1653532), (1070, 826766), (2033, 435140), (2140, 413383), (4066, 217570), (8132, 108785), (10165, 87028), (20330, 43514), (21757, 40660)]