61490650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:440

約数の個数: 72

約数和(自身を含む): 130705920

約数和(自身を除く): 69215270

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 169, 190, 247, 325, 338, 383, 475, 494, 650, 766, 845, 950, 1235, 1690, 1915, 2470, 3211, 3830, 4225, 4979, 6175, 6422, 7277, 8450, 9575, 9958, 12350, 14554, 16055, 19150, 24895, 32110, 36385, 49790, 64727, 72770, 80275, 94601, 124475, 129454, 160550, 181925, 189202, 248950, 323635, 363850, 473005, 647270, 946010, 1229813, 1618175, 2365025, 2459626, 3236350, 4730050, 6149065, 12298130, 30745325, 61490650]

約数ペア:

[(1, 61490650), (2, 30745325), (5, 12298130), (10, 6149065), (13, 4730050), (19, 3236350), (25, 2459626), (26, 2365025), (38, 1618175), (50, 1229813), (65, 946010), (95, 647270), (130, 473005), (169, 363850), (190, 323635), (247, 248950), (325, 189202), (338, 181925), (383, 160550), (475, 129454), (494, 124475), (650, 94601), (766, 80275), (845, 72770), (950, 64727), (1235, 49790), (1690, 36385), (1915, 32110), (2470, 24895), (3211, 19150), (3830, 16055), (4225, 14554), (4979, 12350), (6175, 9958), (6422, 9575), (7277, 8450)]