157745900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{121343}}^1$

素因数の和:121370

約数の個数: 36

約数和(自身を含む): 368643072

約数和(自身を除く): 210897172

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 121343, 242686, 485372, 606715, 1213430, 1577459, 2426860, 3033575, 3154918, 6067150, 6309836, 7887295, 12134300, 15774590, 31549180, 39436475, 78872950, 157745900]

約数ペア:

[(1, 157745900), (2, 78872950), (4, 39436475), (5, 31549180), (10, 15774590), (13, 12134300), (20, 7887295), (25, 6309836), (26, 6067150), (50, 3154918), (52, 3033575), (65, 2426860), (100, 1577459), (130, 1213430), (260, 606715), (325, 485372), (650, 242686), (1300, 121343)]