250859440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{251}}^1$

素因数の和:339

約数の個数: 120

約数和(自身を含む): 651614544

約数和(自身を除く): 400755104

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 251, 260, 310, 403, 496, 502, 520, 620, 806, 961, 1004, 1040, 1240, 1255, 1612, 1922, 2008, 2015, 2480, 2510, 3224, 3263, 3844, 4016, 4030, 4805, 5020, 6448, 6526, 7688, 7781, 8060, 9610, 10040, 12493, 13052, 15376, 15562, 16120, 16315, 19220, 20080, 24986, 26104, 31124, 32240, 32630, 38440, 38905, 49972, 52208, 62248, 62465, 65260, 76880, 77810, 99944, 101153, 124496, 124930, 130520, 155620, 199888, 202306, 241211, 249860, 261040, 311240, 404612, 482422, 499720, 505765, 622480, 809224, 964844, 999440, 1011530, 1206055, 1618448, 1929688, 2023060, 2412110, 3135743, 3859376, 4046120, 4824220, 6271486, 8092240, 9648440, 12542972, 15678715, 19296880, 25085944, 31357430, 50171888, 62714860, 125429720, 250859440]

約数ペア:

[(1, 250859440), (2, 125429720), (4, 62714860), (5, 50171888), (8, 31357430), (10, 25085944), (13, 19296880), (16, 15678715), (20, 12542972), (26, 9648440), (31, 8092240), (40, 6271486), (52, 4824220), (62, 4046120), (65, 3859376), (80, 3135743), (104, 2412110), (124, 2023060), (130, 1929688), (155, 1618448), (208, 1206055), (248, 1011530), (251, 999440), (260, 964844), (310, 809224), (403, 622480), (496, 505765), (502, 499720), (520, 482422), (620, 404612), (806, 311240), (961, 261040), (1004, 249860), (1040, 241211), (1240, 202306), (1255, 199888), (1612, 155620), (1922, 130520), (2008, 124930), (2015, 124496), (2480, 101153), (2510, 99944), (3224, 77810), (3263, 76880), (3844, 65260), (4016, 62465), (4030, 62248), (4805, 52208), (5020, 49972), (6448, 38905), (6526, 38440), (7688, 32630), (7781, 32240), (8060, 31124), (9610, 26104), (10040, 24986), (12493, 20080), (13052, 19220), (15376, 16315), (15562, 16120)]