29890120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1223}}^1$

素因数の和:1294

約数の個数: 64

約数和(自身を含む): 74027520

約数和(自身を除く): 44137400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1223, 1880, 2444, 2446, 3055, 4888, 4892, 6110, 6115, 9784, 12220, 12230, 15899, 24440, 24460, 31798, 48920, 57481, 63596, 79495, 114962, 127192, 158990, 229924, 287405, 317980, 459848, 574810, 635960, 747253, 1149620, 1494506, 2299240, 2989012, 3736265, 5978024, 7472530, 14945060, 29890120]

約数ペア:

[(1, 29890120), (2, 14945060), (4, 7472530), (5, 5978024), (8, 3736265), (10, 2989012), (13, 2299240), (20, 1494506), (26, 1149620), (40, 747253), (47, 635960), (52, 574810), (65, 459848), (94, 317980), (104, 287405), (130, 229924), (188, 158990), (235, 127192), (260, 114962), (376, 79495), (470, 63596), (520, 57481), (611, 48920), (940, 31798), (1222, 24460), (1223, 24440), (1880, 15899), (2444, 12230), (2446, 12220), (3055, 9784), (4888, 6115), (4892, 6110)]