678394700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4129}}^1$

素因数の和:4227

約数の個数: 72

約数和(自身を含む): 1548650880

約数和(自身を除く): 870256180

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 53, 62, 100, 106, 124, 155, 212, 265, 310, 530, 620, 775, 1060, 1325, 1550, 1643, 2650, 3100, 3286, 4129, 5300, 6572, 8215, 8258, 16430, 16516, 20645, 32860, 41075, 41290, 82150, 82580, 103225, 127999, 164300, 206450, 218837, 255998, 412900, 437674, 511996, 639995, 875348, 1094185, 1279990, 2188370, 2559980, 3199975, 4376740, 5470925, 6399950, 6783947, 10941850, 12799900, 13567894, 21883700, 27135788, 33919735, 67839470, 135678940, 169598675, 339197350, 678394700]

約数ペア:

[(1, 678394700), (2, 339197350), (4, 169598675), (5, 135678940), (10, 67839470), (20, 33919735), (25, 27135788), (31, 21883700), (50, 13567894), (53, 12799900), (62, 10941850), (100, 6783947), (106, 6399950), (124, 5470925), (155, 4376740), (212, 3199975), (265, 2559980), (310, 2188370), (530, 1279990), (620, 1094185), (775, 875348), (1060, 639995), (1325, 511996), (1550, 437674), (1643, 412900), (2650, 255998), (3100, 218837), (3286, 206450), (4129, 164300), (5300, 127999), (6572, 103225), (8215, 82580), (8258, 82150), (16430, 41290), (16516, 41075), (20645, 32860)]