201821100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{51749}}^1$

素因数の和:51779

約数の個数: 72

約数和(自身を含む): 628866000

約数和(自身を除く): 427044900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 51749, 103498, 155247, 206996, 258745, 310494, 517490, 620988, 672737, 776235, 1034980, 1293725, 1345474, 1552470, 2018211, 2587450, 2690948, 3104940, 3363685, 3881175, 4036422, 5174900, 6727370, 7762350, 8072844, 10091055, 13454740, 15524700, 16818425, 20182110, 33636850, 40364220, 50455275, 67273700, 100910550, 201821100]

約数ペア:

[(1, 201821100), (2, 100910550), (3, 67273700), (4, 50455275), (5, 40364220), (6, 33636850), (10, 20182110), (12, 16818425), (13, 15524700), (15, 13454740), (20, 10091055), (25, 8072844), (26, 7762350), (30, 6727370), (39, 5174900), (50, 4036422), (52, 3881175), (60, 3363685), (65, 3104940), (75, 2690948), (78, 2587450), (100, 2018211), (130, 1552470), (150, 1345474), (156, 1293725), (195, 1034980), (260, 776235), (300, 672737), (325, 620988), (390, 517490), (650, 310494), (780, 258745), (975, 206996), (1300, 155247), (1950, 103498), (3900, 51749)]