30394900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 69995520

約数和(自身を除く): 39600620

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 47, 50, 58, 94, 100, 116, 145, 188, 223, 235, 290, 446, 470, 580, 725, 892, 940, 1115, 1175, 1363, 1450, 2230, 2350, 2726, 2900, 4460, 4700, 5452, 5575, 6467, 6815, 10481, 11150, 12934, 13630, 20962, 22300, 25868, 27260, 32335, 34075, 41924, 52405, 64670, 68150, 104810, 129340, 136300, 161675, 209620, 262025, 303949, 323350, 524050, 607898, 646700, 1048100, 1215796, 1519745, 3039490, 6078980, 7598725, 15197450, 30394900]

約数ペア:

[(1, 30394900), (2, 15197450), (4, 7598725), (5, 6078980), (10, 3039490), (20, 1519745), (25, 1215796), (29, 1048100), (47, 646700), (50, 607898), (58, 524050), (94, 323350), (100, 303949), (116, 262025), (145, 209620), (188, 161675), (223, 136300), (235, 129340), (290, 104810), (446, 68150), (470, 64670), (580, 52405), (725, 41924), (892, 34075), (940, 32335), (1115, 27260), (1175, 25868), (1363, 22300), (1450, 20962), (2230, 13630), (2350, 12934), (2726, 11150), (2900, 10481), (4460, 6815), (4700, 6467), (5452, 5575)]