308803960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6661}}^1$

素因数の和:6752

約数の個数: 64

約数和(自身を含む): 743479200

約数和(自身を除く): 434675240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1159, 1220, 2318, 2440, 4636, 5795, 6661, 9272, 11590, 13322, 23180, 26644, 33305, 46360, 53288, 66610, 126559, 133220, 253118, 266440, 406321, 506236, 632795, 812642, 1012472, 1265590, 1625284, 2031605, 2531180, 3250568, 4063210, 5062360, 7720099, 8126420, 15440198, 16252840, 30880396, 38600495, 61760792, 77200990, 154401980, 308803960]

約数ペア:

[(1, 308803960), (2, 154401980), (4, 77200990), (5, 61760792), (8, 38600495), (10, 30880396), (19, 16252840), (20, 15440198), (38, 8126420), (40, 7720099), (61, 5062360), (76, 4063210), (95, 3250568), (122, 2531180), (152, 2031605), (190, 1625284), (244, 1265590), (305, 1012472), (380, 812642), (488, 632795), (610, 506236), (760, 406321), (1159, 266440), (1220, 253118), (2318, 133220), (2440, 126559), (4636, 66610), (5795, 53288), (6661, 46360), (9272, 33305), (11590, 26644), (13322, 23180)]