4971500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 11103456

約数和(自身を除く): 6131956

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 163, 244, 250, 305, 326, 500, 610, 652, 815, 1220, 1525, 1630, 3050, 3260, 4075, 6100, 7625, 8150, 9943, 15250, 16300, 19886, 20375, 30500, 39772, 40750, 49715, 81500, 99430, 198860, 248575, 497150, 994300, 1242875, 2485750, 4971500]

約数ペア:

[(1, 4971500), (2, 2485750), (4, 1242875), (5, 994300), (10, 497150), (20, 248575), (25, 198860), (50, 99430), (61, 81500), (100, 49715), (122, 40750), (125, 39772), (163, 30500), (244, 20375), (250, 19886), (305, 16300), (326, 15250), (500, 9943), (610, 8150), (652, 7625), (815, 6100), (1220, 4075), (1525, 3260), (1630, 3050)]