514591740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219911}}^1$

素因数の和:219939

約数の個数: 72

約数和(自身を含む): 1681007328

約数和(自身を除く): 1166415588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 219911, 439822, 659733, 879644, 1099555, 1319466, 1979199, 2199110, 2638932, 2858843, 3298665, 3958398, 4398220, 5717686, 6597330, 7916796, 8576529, 9895995, 11435372, 13194660, 14294215, 17153058, 19791990, 25729587, 28588430, 34306116, 39583980, 42882645, 51459174, 57176860, 85765290, 102918348, 128647935, 171530580, 257295870, 514591740]

約数ペア:

[(1, 514591740), (2, 257295870), (3, 171530580), (4, 128647935), (5, 102918348), (6, 85765290), (9, 57176860), (10, 51459174), (12, 42882645), (13, 39583980), (15, 34306116), (18, 28588430), (20, 25729587), (26, 19791990), (30, 17153058), (36, 14294215), (39, 13194660), (45, 11435372), (52, 9895995), (60, 8576529), (65, 7916796), (78, 6597330), (90, 5717686), (117, 4398220), (130, 3958398), (156, 3298665), (180, 2858843), (195, 2638932), (234, 2199110), (260, 1979199), (390, 1319466), (468, 1099555), (585, 879644), (780, 659733), (1170, 439822), (2340, 219911)]