72970400

素因数分解:

$2^5\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1794

約数の個数: 72

約数和(自身を含む): 181605564

約数和(自身を除く): 108635164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 80, 100, 106, 160, 200, 212, 265, 400, 424, 530, 800, 848, 1060, 1325, 1696, 1721, 2120, 2650, 3442, 4240, 5300, 6884, 8480, 8605, 10600, 13768, 17210, 21200, 27536, 34420, 42400, 43025, 55072, 68840, 86050, 91213, 137680, 172100, 182426, 275360, 344200, 364852, 456065, 688400, 729704, 912130, 1376800, 1459408, 1824260, 2280325, 2918816, 3648520, 4560650, 7297040, 9121300, 14594080, 18242600, 36485200, 72970400]

約数ペア:

[(1, 72970400), (2, 36485200), (4, 18242600), (5, 14594080), (8, 9121300), (10, 7297040), (16, 4560650), (20, 3648520), (25, 2918816), (32, 2280325), (40, 1824260), (50, 1459408), (53, 1376800), (80, 912130), (100, 729704), (106, 688400), (160, 456065), (200, 364852), (212, 344200), (265, 275360), (400, 182426), (424, 172100), (530, 137680), (800, 91213), (848, 86050), (1060, 68840), (1325, 55072), (1696, 43025), (1721, 42400), (2120, 34420), (2650, 27536), (3442, 21200), (4240, 17210), (5300, 13768), (6884, 10600), (8480, 8605)]