22142500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:562

約数の個数: 60

約数和(自身を含む): 51367932

約数和(自身を除く): 29225432

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 521, 625, 850, 1042, 1250, 1700, 2084, 2125, 2500, 2605, 4250, 5210, 8500, 8857, 10420, 10625, 13025, 17714, 21250, 26050, 35428, 42500, 44285, 52100, 65125, 88570, 130250, 177140, 221425, 260500, 325625, 442850, 651250, 885700, 1107125, 1302500, 2214250, 4428500, 5535625, 11071250, 22142500]

約数ペア:

[(1, 22142500), (2, 11071250), (4, 5535625), (5, 4428500), (10, 2214250), (17, 1302500), (20, 1107125), (25, 885700), (34, 651250), (50, 442850), (68, 325625), (85, 260500), (100, 221425), (125, 177140), (170, 130250), (250, 88570), (340, 65125), (425, 52100), (500, 44285), (521, 42500), (625, 35428), (850, 26050), (1042, 21250), (1250, 17714), (1700, 13025), (2084, 10625), (2125, 10420), (2500, 8857), (2605, 8500), (4250, 5210)]