87213100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{919}}^1$

素因数の和:1019

約数の個数: 72

約数和(自身を含む): 206827040

約数和(自身を除く): 119613940

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 73, 100, 130, 146, 260, 292, 325, 365, 650, 730, 919, 949, 1300, 1460, 1825, 1838, 1898, 3650, 3676, 3796, 4595, 4745, 7300, 9190, 9490, 11947, 18380, 18980, 22975, 23725, 23894, 45950, 47450, 47788, 59735, 67087, 91900, 94900, 119470, 134174, 238940, 268348, 298675, 335435, 597350, 670870, 872131, 1194700, 1341740, 1677175, 1744262, 3354350, 3488524, 4360655, 6708700, 8721310, 17442620, 21803275, 43606550, 87213100]

約数ペア:

[(1, 87213100), (2, 43606550), (4, 21803275), (5, 17442620), (10, 8721310), (13, 6708700), (20, 4360655), (25, 3488524), (26, 3354350), (50, 1744262), (52, 1677175), (65, 1341740), (73, 1194700), (100, 872131), (130, 670870), (146, 597350), (260, 335435), (292, 298675), (325, 268348), (365, 238940), (650, 134174), (730, 119470), (919, 94900), (949, 91900), (1300, 67087), (1460, 59735), (1825, 47788), (1838, 47450), (1898, 45950), (3650, 23894), (3676, 23725), (3796, 22975), (4595, 18980), (4745, 18380), (7300, 11947), (9190, 9490)]