425616620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{148817}}^1$

素因数の和:148850

約数の個数: 48

約数和(自身を含む): 1050059808

約数和(自身を除く): 624443188

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, 148817, 297634, 595268, 744085, 1488170, 1636987, 1934621, 2976340, 3273974, 3869242, 6547948, 7738484, 8184935, 9673105, 16369870, 19346210, 21280831, 32739740, 38692420, 42561662, 85123324, 106404155, 212808310, 425616620]

約数ペア:

[(1, 425616620), (2, 212808310), (4, 106404155), (5, 85123324), (10, 42561662), (11, 38692420), (13, 32739740), (20, 21280831), (22, 19346210), (26, 16369870), (44, 9673105), (52, 8184935), (55, 7738484), (65, 6547948), (110, 3869242), (130, 3273974), (143, 2976340), (220, 1934621), (260, 1636987), (286, 1488170), (572, 744085), (715, 595268), (1430, 297634), (2860, 148817)]