2013415100

素因数分解:

$2^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{257}}^1\times {\mathrm{499}}^1$

素因数の和:927

約数の個数: 72

約数和(自身を含む): 4422894000

約数和(自身を除く): 2409478900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 257, 314, 499, 514, 628, 785, 998, 1028, 1285, 1570, 1996, 2495, 2570, 3140, 3925, 4990, 5140, 6425, 7850, 9980, 12475, 12850, 15700, 24950, 25700, 40349, 49900, 78343, 80698, 128243, 156686, 161396, 201745, 256486, 313372, 391715, 403490, 512972, 641215, 783430, 806980, 1008725, 1282430, 1566860, 1958575, 2017450, 2564860, 3206075, 3917150, 4034900, 6412150, 7834300, 12824300, 20134151, 40268302, 80536604, 100670755, 201341510, 402683020, 503353775, 1006707550, 2013415100]

約数ペア:

[(1, 2013415100), (2, 1006707550), (4, 503353775), (5, 402683020), (10, 201341510), (20, 100670755), (25, 80536604), (50, 40268302), (100, 20134151), (157, 12824300), (257, 7834300), (314, 6412150), (499, 4034900), (514, 3917150), (628, 3206075), (785, 2564860), (998, 2017450), (1028, 1958575), (1285, 1566860), (1570, 1282430), (1996, 1008725), (2495, 806980), (2570, 783430), (3140, 641215), (3925, 512972), (4990, 403490), (5140, 391715), (6425, 313372), (7850, 256486), (9980, 201745), (12475, 161396), (12850, 156686), (15700, 128243), (24950, 80698), (25700, 78343), (40349, 49900)]