386304880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{371447}}^1$

素因数の和:371473

約数の個数: 40

約数和(自身を含む): 967250592

約数和(自身を除く): 580945712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 371447, 742894, 1485788, 1857235, 2971576, 3714470, 4828811, 5943152, 7428940, 9657622, 14857880, 19315244, 24144055, 29715760, 38630488, 48288110, 77260976, 96576220, 193152440, 386304880]

約数ペア:

[(1, 386304880), (2, 193152440), (4, 96576220), (5, 77260976), (8, 48288110), (10, 38630488), (13, 29715760), (16, 24144055), (20, 19315244), (26, 14857880), (40, 9657622), (52, 7428940), (65, 5943152), (80, 4828811), (104, 3714470), (130, 2971576), (208, 1857235), (260, 1485788), (520, 742894), (1040, 371447)]