2011992390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{971977}}^1$

素因数の和:972013

約数の個数: 48

約数和(自身を含む): 5458628448

約数和(自身を除く): 3446636058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 971977, 1943954, 2915931, 4859885, 5831862, 8747793, 9719770, 14579655, 17495586, 22355471, 29159310, 43738965, 44710942, 67066413, 87477930, 111777355, 134132826, 201199239, 223554710, 335332065, 402398478, 670664130, 1005996195, 2011992390]

約数ペア:

[(1, 2011992390), (2, 1005996195), (3, 670664130), (5, 402398478), (6, 335332065), (9, 223554710), (10, 201199239), (15, 134132826), (18, 111777355), (23, 87477930), (30, 67066413), (45, 44710942), (46, 43738965), (69, 29159310), (90, 22355471), (115, 17495586), (138, 14579655), (207, 9719770), (230, 8747793), (345, 5831862), (414, 4859885), (690, 2915931), (1035, 1943954), (2070, 971977)]