748722260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{261791}}^1$

素因数の和:261824

約数の個数: 48

約数和(自身を含む): 1847204352

約数和(自身を除く): 1098482092

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 261791, 523582, 1047164, 1308955, 2617910, 2879701, 3403283, 5235820, 5759402, 6806566, 11518804, 13613132, 14398505, 17016415, 28797010, 34032830, 37436113, 57594020, 68065660, 74872226, 149744452, 187180565, 374361130, 748722260]

約数ペア:

[(1, 748722260), (2, 374361130), (4, 187180565), (5, 149744452), (10, 74872226), (11, 68065660), (13, 57594020), (20, 37436113), (22, 34032830), (26, 28797010), (44, 17016415), (52, 14398505), (55, 13613132), (65, 11518804), (110, 6806566), (130, 5759402), (143, 5235820), (220, 3403283), (260, 2879701), (286, 2617910), (572, 1308955), (715, 1047164), (1430, 523582), (2860, 261791)]