90159200

素因数分解:

$2^5\times 5^2\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:720

約数の個数: 72

約数和(自身を含む): 221470200

約数和(自身を除く): 131311000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 251, 400, 449, 502, 800, 898, 1004, 1255, 1796, 2008, 2245, 2510, 3592, 4016, 4490, 5020, 6275, 7184, 8032, 8980, 10040, 11225, 12550, 14368, 17960, 20080, 22450, 25100, 35920, 40160, 44900, 50200, 71840, 89800, 100400, 112699, 179600, 200800, 225398, 359200, 450796, 563495, 901592, 1126990, 1803184, 2253980, 2817475, 3606368, 4507960, 5634950, 9015920, 11269900, 18031840, 22539800, 45079600, 90159200]

約数ペア:

[(1, 90159200), (2, 45079600), (4, 22539800), (5, 18031840), (8, 11269900), (10, 9015920), (16, 5634950), (20, 4507960), (25, 3606368), (32, 2817475), (40, 2253980), (50, 1803184), (80, 1126990), (100, 901592), (160, 563495), (200, 450796), (251, 359200), (400, 225398), (449, 200800), (502, 179600), (800, 112699), (898, 100400), (1004, 89800), (1255, 71840), (1796, 50200), (2008, 44900), (2245, 40160), (2510, 35920), (3592, 25100), (4016, 22450), (4490, 20080), (5020, 17960), (6275, 14368), (7184, 12550), (8032, 11225), (8980, 10040)]