72434840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{499}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 172800000

約数和(自身を除く): 100365160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 191, 380, 382, 499, 760, 764, 955, 998, 1528, 1910, 1996, 2495, 3629, 3820, 3992, 4990, 7258, 7640, 9481, 9980, 14516, 18145, 18962, 19960, 29032, 36290, 37924, 47405, 72580, 75848, 94810, 95309, 145160, 189620, 190618, 379240, 381236, 476545, 762472, 953090, 1810871, 1906180, 3621742, 3812360, 7243484, 9054355, 14486968, 18108710, 36217420, 72434840]

約数ペア:

[(1, 72434840), (2, 36217420), (4, 18108710), (5, 14486968), (8, 9054355), (10, 7243484), (19, 3812360), (20, 3621742), (38, 1906180), (40, 1810871), (76, 953090), (95, 762472), (152, 476545), (190, 381236), (191, 379240), (380, 190618), (382, 189620), (499, 145160), (760, 95309), (764, 94810), (955, 75848), (998, 72580), (1528, 47405), (1910, 37924), (1996, 36290), (2495, 29032), (3629, 19960), (3820, 18962), (3992, 18145), (4990, 14516), (7258, 9980), (7640, 9481)]