190790120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{613}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 445616640

約数和(自身を除く): 254826520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 251, 310, 502, 613, 620, 1004, 1226, 1240, 1255, 2008, 2452, 2510, 3065, 4904, 5020, 6130, 7781, 10040, 12260, 15562, 19003, 24520, 31124, 38006, 38905, 62248, 76012, 77810, 95015, 152024, 153863, 155620, 190030, 307726, 311240, 380060, 615452, 760120, 769315, 1230904, 1538630, 3077260, 4769753, 6154520, 9539506, 19079012, 23848765, 38158024, 47697530, 95395060, 190790120]

約数ペア:

[(1, 190790120), (2, 95395060), (4, 47697530), (5, 38158024), (8, 23848765), (10, 19079012), (20, 9539506), (31, 6154520), (40, 4769753), (62, 3077260), (124, 1538630), (155, 1230904), (248, 769315), (251, 760120), (310, 615452), (502, 380060), (613, 311240), (620, 307726), (1004, 190030), (1226, 155620), (1240, 153863), (1255, 152024), (2008, 95015), (2452, 77810), (2510, 76012), (3065, 62248), (4904, 38905), (5020, 38006), (6130, 31124), (7781, 24520), (10040, 19003), (12260, 15562)]