210171100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1415

約数の個数: 72

約数和(自身を含む): 479653328

約数和(自身を除く): 269482228

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 43, 50, 74, 86, 100, 148, 172, 185, 215, 370, 430, 740, 860, 925, 1075, 1321, 1591, 1850, 2150, 2642, 3182, 3700, 4300, 5284, 6364, 6605, 7955, 13210, 15910, 26420, 31820, 33025, 39775, 48877, 56803, 66050, 79550, 97754, 113606, 132100, 159100, 195508, 227212, 244385, 284015, 488770, 568030, 977540, 1136060, 1221925, 1420075, 2101711, 2443850, 2840150, 4203422, 4887700, 5680300, 8406844, 10508555, 21017110, 42034220, 52542775, 105085550, 210171100]

約数ペア:

[(1, 210171100), (2, 105085550), (4, 52542775), (5, 42034220), (10, 21017110), (20, 10508555), (25, 8406844), (37, 5680300), (43, 4887700), (50, 4203422), (74, 2840150), (86, 2443850), (100, 2101711), (148, 1420075), (172, 1221925), (185, 1136060), (215, 977540), (370, 568030), (430, 488770), (740, 284015), (860, 244385), (925, 227212), (1075, 195508), (1321, 159100), (1591, 132100), (1850, 113606), (2150, 97754), (2642, 79550), (3182, 66050), (3700, 56803), (4300, 48877), (5284, 39775), (6364, 33025), (6605, 31820), (7955, 26420), (13210, 15910)]