198841460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{283}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 451594080

約数和(自身を除く): 252752620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 283, 380, 430, 566, 817, 860, 1132, 1415, 1634, 1849, 2830, 3268, 3698, 4085, 5377, 5660, 7396, 8170, 9245, 10754, 12169, 16340, 18490, 21508, 24338, 26885, 35131, 36980, 48676, 53770, 60845, 70262, 107540, 121690, 140524, 175655, 231211, 243380, 351310, 462422, 523267, 702620, 924844, 1046534, 1156055, 2093068, 2312110, 2616335, 4624220, 5232670, 9942073, 10465340, 19884146, 39768292, 49710365, 99420730, 198841460]

約数ペア:

[(1, 198841460), (2, 99420730), (4, 49710365), (5, 39768292), (10, 19884146), (19, 10465340), (20, 9942073), (38, 5232670), (43, 4624220), (76, 2616335), (86, 2312110), (95, 2093068), (172, 1156055), (190, 1046534), (215, 924844), (283, 702620), (380, 523267), (430, 462422), (566, 351310), (817, 243380), (860, 231211), (1132, 175655), (1415, 140524), (1634, 121690), (1849, 107540), (2830, 70262), (3268, 60845), (3698, 53770), (4085, 48676), (5377, 36980), (5660, 35131), (7396, 26885), (8170, 24338), (9245, 21508), (10754, 18490), (12169, 16340)]