7440800

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 72

約数和(自身を含む): 18561312

約数和(自身を除く): 11120512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 131, 142, 160, 200, 262, 284, 355, 400, 524, 568, 655, 710, 800, 1048, 1136, 1310, 1420, 1775, 2096, 2272, 2620, 2840, 3275, 3550, 4192, 5240, 5680, 6550, 7100, 9301, 10480, 11360, 13100, 14200, 18602, 20960, 26200, 28400, 37204, 46505, 52400, 56800, 74408, 93010, 104800, 148816, 186020, 232525, 297632, 372040, 465050, 744080, 930100, 1488160, 1860200, 3720400, 7440800]

約数ペア:

[(1, 7440800), (2, 3720400), (4, 1860200), (5, 1488160), (8, 930100), (10, 744080), (16, 465050), (20, 372040), (25, 297632), (32, 232525), (40, 186020), (50, 148816), (71, 104800), (80, 93010), (100, 74408), (131, 56800), (142, 52400), (160, 46505), (200, 37204), (262, 28400), (284, 26200), (355, 20960), (400, 18602), (524, 14200), (568, 13100), (655, 11360), (710, 10480), (800, 9301), (1048, 7100), (1136, 6550), (1310, 5680), (1420, 5240), (1775, 4192), (2096, 3550), (2272, 3275), (2620, 2840)]