381550180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:877

約数の個数: 96

約数和(自身を含む): 912498048

約数和(自身を除く): 530947868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 53, 55, 86, 106, 110, 172, 212, 215, 220, 265, 430, 473, 530, 583, 761, 860, 946, 1060, 1166, 1522, 1892, 2279, 2332, 2365, 2915, 3044, 3805, 4558, 4730, 5830, 7610, 8371, 9116, 9460, 11395, 11660, 15220, 16742, 22790, 25069, 32723, 33484, 40333, 41855, 45580, 50138, 65446, 80666, 83710, 100276, 125345, 130892, 161332, 163615, 167420, 201665, 250690, 327230, 359953, 403330, 443663, 501380, 654460, 719906, 806660, 887326, 1439812, 1734319, 1774652, 1799765, 2218315, 3468638, 3599530, 4436630, 6937276, 7199060, 8671595, 8873260, 17343190, 19077509, 34686380, 38155018, 76310036, 95387545, 190775090, 381550180]

約数ペア:

[(1, 381550180), (2, 190775090), (4, 95387545), (5, 76310036), (10, 38155018), (11, 34686380), (20, 19077509), (22, 17343190), (43, 8873260), (44, 8671595), (53, 7199060), (55, 6937276), (86, 4436630), (106, 3599530), (110, 3468638), (172, 2218315), (212, 1799765), (215, 1774652), (220, 1734319), (265, 1439812), (430, 887326), (473, 806660), (530, 719906), (583, 654460), (761, 501380), (860, 443663), (946, 403330), (1060, 359953), (1166, 327230), (1522, 250690), (1892, 201665), (2279, 167420), (2332, 163615), (2365, 161332), (2915, 130892), (3044, 125345), (3805, 100276), (4558, 83710), (4730, 80666), (5830, 65446), (7610, 50138), (8371, 45580), (9116, 41855), (9460, 40333), (11395, 33484), (11660, 32723), (15220, 25069), (16742, 22790)]