2520100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 6249600

約数和(自身を除く): 3729500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 79, 100, 110, 116, 145, 158, 220, 275, 290, 316, 319, 395, 550, 580, 638, 725, 790, 869, 1100, 1276, 1450, 1580, 1595, 1738, 1975, 2291, 2900, 3190, 3476, 3950, 4345, 4582, 6380, 7900, 7975, 8690, 9164, 11455, 15950, 17380, 21725, 22910, 25201, 31900, 43450, 45820, 50402, 57275, 86900, 100804, 114550, 126005, 229100, 252010, 504020, 630025, 1260050, 2520100]

約数ペア:

[(1, 2520100), (2, 1260050), (4, 630025), (5, 504020), (10, 252010), (11, 229100), (20, 126005), (22, 114550), (25, 100804), (29, 86900), (44, 57275), (50, 50402), (55, 45820), (58, 43450), (79, 31900), (100, 25201), (110, 22910), (116, 21725), (145, 17380), (158, 15950), (220, 11455), (275, 9164), (290, 8690), (316, 7975), (319, 7900), (395, 6380), (550, 4582), (580, 4345), (638, 3950), (725, 3476), (790, 3190), (869, 2900), (1100, 2291), (1276, 1975), (1450, 1738), (1580, 1595)]