509555930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 1006750080

約数和(自身を除く): 497194150

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 163, 173, 278, 326, 346, 695, 815, 865, 1390, 1630, 1730, 1807, 2119, 2249, 3614, 4238, 4498, 9035, 10595, 11245, 18070, 21190, 22490, 22657, 24047, 28199, 45314, 48094, 56398, 113285, 120235, 140995, 226570, 240470, 281990, 294541, 312611, 366587, 589082, 625222, 733174, 1472705, 1563055, 1832935, 2945410, 3126110, 3665870, 3919661, 7839322, 19598305, 39196610, 50955593, 101911186, 254777965, 509555930]

約数ペア:

[(1, 509555930), (2, 254777965), (5, 101911186), (10, 50955593), (13, 39196610), (26, 19598305), (65, 7839322), (130, 3919661), (139, 3665870), (163, 3126110), (173, 2945410), (278, 1832935), (326, 1563055), (346, 1472705), (695, 733174), (815, 625222), (865, 589082), (1390, 366587), (1630, 312611), (1730, 294541), (1807, 281990), (2119, 240470), (2249, 226570), (3614, 140995), (4238, 120235), (4498, 113285), (9035, 56398), (10595, 48094), (11245, 45314), (18070, 28199), (21190, 24047), (22490, 22657)]