240762740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1511}}^1$

素因数の和:1808

約数の個数: 48

約数和(自身を含む): 524289024

約数和(自身を除く): 283526284

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 257, 310, 514, 620, 1028, 1285, 1511, 2570, 3022, 5140, 6044, 7555, 7967, 15110, 15934, 30220, 31868, 39835, 46841, 79670, 93682, 159340, 187364, 234205, 388327, 468410, 776654, 936820, 1553308, 1941635, 3883270, 7766540, 12038137, 24076274, 48152548, 60190685, 120381370, 240762740]

約数ペア:

[(1, 240762740), (2, 120381370), (4, 60190685), (5, 48152548), (10, 24076274), (20, 12038137), (31, 7766540), (62, 3883270), (124, 1941635), (155, 1553308), (257, 936820), (310, 776654), (514, 468410), (620, 388327), (1028, 234205), (1285, 187364), (1511, 159340), (2570, 93682), (3022, 79670), (5140, 46841), (6044, 39835), (7555, 31868), (7967, 30220), (15110, 15934)]