199690160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{409}}^1$

素因数の和:798

約数の個数: 80

約数和(自身を含む): 494164800

約数和(自身を除く): 294474640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 359, 409, 680, 718, 818, 1360, 1436, 1636, 1795, 2045, 2872, 3272, 3590, 4090, 5744, 6103, 6544, 6953, 7180, 8180, 12206, 13906, 14360, 16360, 24412, 27812, 28720, 30515, 32720, 34765, 48824, 55624, 61030, 69530, 97648, 111248, 122060, 139060, 146831, 244120, 278120, 293662, 488240, 556240, 587324, 734155, 1174648, 1468310, 2349296, 2496127, 2936620, 4992254, 5873240, 9984508, 11746480, 12480635, 19969016, 24961270, 39938032, 49922540, 99845080, 199690160]

約数ペア:

[(1, 199690160), (2, 99845080), (4, 49922540), (5, 39938032), (8, 24961270), (10, 19969016), (16, 12480635), (17, 11746480), (20, 9984508), (34, 5873240), (40, 4992254), (68, 2936620), (80, 2496127), (85, 2349296), (136, 1468310), (170, 1174648), (272, 734155), (340, 587324), (359, 556240), (409, 488240), (680, 293662), (718, 278120), (818, 244120), (1360, 146831), (1436, 139060), (1636, 122060), (1795, 111248), (2045, 97648), (2872, 69530), (3272, 61030), (3590, 55624), (4090, 48824), (5744, 34765), (6103, 32720), (6544, 30515), (6953, 28720), (7180, 27812), (8180, 24412), (12206, 16360), (13906, 14360)]