280532330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 566286336

約数和(自身を除く): 285754006

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 151, 155, 302, 310, 403, 461, 755, 806, 922, 1510, 1963, 2015, 2305, 3926, 4030, 4610, 4681, 5993, 9362, 9815, 11986, 14291, 19630, 23405, 28582, 29965, 46810, 59930, 60853, 69611, 71455, 121706, 139222, 142910, 185783, 304265, 348055, 371566, 608530, 696110, 904943, 928915, 1809886, 1857830, 2157941, 4315882, 4524715, 9049430, 10789705, 21579410, 28053233, 56106466, 140266165, 280532330]

約数ペア:

[(1, 280532330), (2, 140266165), (5, 56106466), (10, 28053233), (13, 21579410), (26, 10789705), (31, 9049430), (62, 4524715), (65, 4315882), (130, 2157941), (151, 1857830), (155, 1809886), (302, 928915), (310, 904943), (403, 696110), (461, 608530), (755, 371566), (806, 348055), (922, 304265), (1510, 185783), (1963, 142910), (2015, 139222), (2305, 121706), (3926, 71455), (4030, 69611), (4610, 60853), (4681, 59930), (5993, 46810), (9362, 29965), (9815, 28582), (11986, 23405), (14291, 19630)]