71387677420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{304477}}^1$

素因数の和:305122

約数の個数: 48

約数和(自身を含む): 158060619360

約数和(自身を除く): 86672941940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 617, 1234, 2468, 3085, 6170, 11723, 12340, 23446, 46892, 58615, 117230, 234460, 304477, 608954, 1217908, 1522385, 3044770, 5785063, 6089540, 11570126, 23140252, 28925315, 57850630, 115701260, 187862309, 375724618, 751449236, 939311545, 1878623090, 3569383871, 3757246180, 7138767742, 14277535484, 17846919355, 35693838710, 71387677420]

約数ペア:

[(1, 71387677420), (2, 35693838710), (4, 17846919355), (5, 14277535484), (10, 7138767742), (19, 3757246180), (20, 3569383871), (38, 1878623090), (76, 939311545), (95, 751449236), (190, 375724618), (380, 187862309), (617, 115701260), (1234, 57850630), (2468, 28925315), (3085, 23140252), (6170, 11570126), (11723, 6089540), (12340, 5785063), (23446, 3044770), (46892, 1522385), (58615, 1217908), (117230, 608954), (234460, 304477)]