71392750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2038

約数の個数: 64

約数和(自身を含む): 157090752

約数和(自身を除く): 85698002

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 125, 130, 143, 250, 275, 286, 325, 550, 650, 715, 1375, 1430, 1625, 1997, 2750, 3250, 3575, 3994, 7150, 9985, 17875, 19970, 21967, 25961, 35750, 43934, 49925, 51922, 99850, 109835, 129805, 219670, 249625, 259610, 285571, 499250, 549175, 571142, 649025, 1098350, 1298050, 1427855, 2745875, 2855710, 3245125, 5491750, 6490250, 7139275, 14278550, 35696375, 71392750]

約数ペア:

[(1, 71392750), (2, 35696375), (5, 14278550), (10, 7139275), (11, 6490250), (13, 5491750), (22, 3245125), (25, 2855710), (26, 2745875), (50, 1427855), (55, 1298050), (65, 1098350), (110, 649025), (125, 571142), (130, 549175), (143, 499250), (250, 285571), (275, 259610), (286, 249625), (325, 219670), (550, 129805), (650, 109835), (715, 99850), (1375, 51922), (1430, 49925), (1625, 43934), (1997, 35750), (2750, 25961), (3250, 21967), (3575, 19970), (3994, 17875), (7150, 9985)]