86490280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{359}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 206064000

約数和(自身を除く): 119573720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 317, 359, 380, 634, 718, 760, 1268, 1436, 1585, 1795, 2536, 2872, 3170, 3590, 6023, 6340, 6821, 7180, 12046, 12680, 13642, 14360, 24092, 27284, 30115, 34105, 48184, 54568, 60230, 68210, 113803, 120460, 136420, 227606, 240920, 272840, 455212, 569015, 910424, 1138030, 2162257, 2276060, 4324514, 4552120, 8649028, 10811285, 17298056, 21622570, 43245140, 86490280]

約数ペア:

[(1, 86490280), (2, 43245140), (4, 21622570), (5, 17298056), (8, 10811285), (10, 8649028), (19, 4552120), (20, 4324514), (38, 2276060), (40, 2162257), (76, 1138030), (95, 910424), (152, 569015), (190, 455212), (317, 272840), (359, 240920), (380, 227606), (634, 136420), (718, 120460), (760, 113803), (1268, 68210), (1436, 60230), (1585, 54568), (1795, 48184), (2536, 34105), (2872, 30115), (3170, 27284), (3590, 24092), (6023, 14360), (6340, 13642), (6821, 12680), (7180, 12046)]