15691306900

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{227}}^1\times {\mathrm{4973}}^1$

素因数の和:5353

約数の個数: 72

約数和(自身を含む): 34453107360

約数和(自身を除く): 18761800460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 227, 278, 454, 556, 695, 908, 1135, 1390, 2270, 2780, 3475, 4540, 4973, 5675, 6950, 9946, 11350, 13900, 19892, 22700, 24865, 31553, 49730, 63106, 99460, 124325, 126212, 157765, 248650, 315530, 497300, 631060, 691247, 788825, 1128871, 1382494, 1577650, 2257742, 2764988, 3155300, 3456235, 4515484, 5644355, 6912470, 11288710, 13824940, 17281175, 22577420, 28221775, 34562350, 56443550, 69124700, 112887100, 156913069, 313826138, 627652276, 784565345, 1569130690, 3138261380, 3922826725, 7845653450, 15691306900]

約数ペア:

[(1, 15691306900), (2, 7845653450), (4, 3922826725), (5, 3138261380), (10, 1569130690), (20, 784565345), (25, 627652276), (50, 313826138), (100, 156913069), (139, 112887100), (227, 69124700), (278, 56443550), (454, 34562350), (556, 28221775), (695, 22577420), (908, 17281175), (1135, 13824940), (1390, 11288710), (2270, 6912470), (2780, 5644355), (3475, 4515484), (4540, 3456235), (4973, 3155300), (5675, 2764988), (6950, 2257742), (9946, 1577650), (11350, 1382494), (13900, 1128871), (19892, 788825), (22700, 691247), (24865, 631060), (31553, 497300), (49730, 315530), (63106, 248650), (99460, 157765), (124325, 126212)]