3720400

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 60

約数和(自身を含む): 9133344

約数和(自身を除く): 5412944

約数列:

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

約数ペア:

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