1490817880

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1\times {\mathrm{1553}}^1$

素因数の和:1900

約数の個数: 64

約数和(自身を含む): 3403632960

約数和(自身を除く): 1912815080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 233, 412, 466, 515, 824, 932, 1030, 1165, 1553, 1864, 2060, 2330, 3106, 4120, 4660, 6212, 7765, 9320, 12424, 15530, 23999, 31060, 47998, 62120, 95996, 119995, 159959, 191992, 239990, 319918, 361849, 479980, 639836, 723698, 799795, 959960, 1279672, 1447396, 1599590, 1809245, 2894792, 3199180, 3618490, 6398360, 7236980, 14473960, 37270447, 74540894, 149081788, 186352235, 298163576, 372704470, 745408940, 1490817880]

約数ペア:

[(1, 1490817880), (2, 745408940), (4, 372704470), (5, 298163576), (8, 186352235), (10, 149081788), (20, 74540894), (40, 37270447), (103, 14473960), (206, 7236980), (233, 6398360), (412, 3618490), (466, 3199180), (515, 2894792), (824, 1809245), (932, 1599590), (1030, 1447396), (1165, 1279672), (1553, 959960), (1864, 799795), (2060, 723698), (2330, 639836), (3106, 479980), (4120, 361849), (4660, 319918), (6212, 239990), (7765, 191992), (9320, 159959), (12424, 119995), (15530, 95996), (23999, 62120), (31060, 47998)]