30208750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^3$

素因数の和:72

約数の個数: 80

約数和(自身を含む): 66916080

約数和(自身を除く): 36707330

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 125, 130, 143, 169, 250, 275, 286, 325, 338, 550, 625, 650, 715, 845, 1250, 1375, 1430, 1625, 1690, 1859, 2197, 2750, 3250, 3575, 3718, 4225, 4394, 6875, 7150, 8125, 8450, 9295, 10985, 13750, 16250, 17875, 18590, 21125, 21970, 24167, 35750, 42250, 46475, 48334, 54925, 89375, 92950, 105625, 109850, 120835, 178750, 211250, 232375, 241670, 274625, 464750, 549250, 604175, 1161875, 1208350, 1373125, 2323750, 2746250, 3020875, 6041750, 15104375, 30208750]

約数ペア:

[(1, 30208750), (2, 15104375), (5, 6041750), (10, 3020875), (11, 2746250), (13, 2323750), (22, 1373125), (25, 1208350), (26, 1161875), (50, 604175), (55, 549250), (65, 464750), (110, 274625), (125, 241670), (130, 232375), (143, 211250), (169, 178750), (250, 120835), (275, 109850), (286, 105625), (325, 92950), (338, 89375), (550, 54925), (625, 48334), (650, 46475), (715, 42250), (845, 35750), (1250, 24167), (1375, 21970), (1430, 21125), (1625, 18590), (1690, 17875), (1859, 16250), (2197, 13750), (2750, 10985), (3250, 9295), (3575, 8450), (3718, 8125), (4225, 7150), (4394, 6875)]