31790250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 87609600

約数和(自身を除く): 55819350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 125, 142, 150, 199, 213, 225, 250, 355, 375, 398, 426, 450, 597, 639, 710, 750, 995, 1065, 1125, 1194, 1278, 1775, 1791, 1990, 2130, 2250, 2985, 3195, 3550, 3582, 4975, 5325, 5970, 6390, 8875, 8955, 9950, 10650, 14129, 14925, 15975, 17750, 17910, 24875, 26625, 28258, 29850, 31950, 42387, 44775, 49750, 53250, 70645, 74625, 79875, 84774, 89550, 127161, 141290, 149250, 159750, 211935, 223875, 254322, 353225, 423870, 447750, 635805, 706450, 1059675, 1271610, 1766125, 2119350, 3179025, 3532250, 5298375, 6358050, 10596750, 15895125, 31790250]

約数ペア:

[(1, 31790250), (2, 15895125), (3, 10596750), (5, 6358050), (6, 5298375), (9, 3532250), (10, 3179025), (15, 2119350), (18, 1766125), (25, 1271610), (30, 1059675), (45, 706450), (50, 635805), (71, 447750), (75, 423870), (90, 353225), (125, 254322), (142, 223875), (150, 211935), (199, 159750), (213, 149250), (225, 141290), (250, 127161), (355, 89550), (375, 84774), (398, 79875), (426, 74625), (450, 70645), (597, 53250), (639, 49750), (710, 44775), (750, 42387), (995, 31950), (1065, 29850), (1125, 28258), (1194, 26625), (1278, 24875), (1775, 17910), (1791, 17750), (1990, 15975), (2130, 14925), (2250, 14129), (2985, 10650), (3195, 9950), (3550, 8955), (3582, 8875), (4975, 6390), (5325, 5970)]