818289220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{49117}}^1$

素因数の和:49157

約数の個数: 72

約数和(自身を含む): 2116592856

約数和(自身を除く): 1298303636

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 16660, 49117, 98234, 196468, 245585, 343819, 491170, 687638, 834989, 982340, 1375276, 1669978, 1719095, 2406733, 3339956, 3438190, 4174945, 4813466, 5844923, 6876380, 8349890, 9626932, 11689846, 12033665, 16699780, 23379692, 24067330, 29224615, 40914461, 48134660, 58449230, 81828922, 116898460, 163657844, 204572305, 409144610, 818289220]

約数ペア:

[(1, 818289220), (2, 409144610), (4, 204572305), (5, 163657844), (7, 116898460), (10, 81828922), (14, 58449230), (17, 48134660), (20, 40914461), (28, 29224615), (34, 24067330), (35, 23379692), (49, 16699780), (68, 12033665), (70, 11689846), (85, 9626932), (98, 8349890), (119, 6876380), (140, 5844923), (170, 4813466), (196, 4174945), (238, 3438190), (245, 3339956), (340, 2406733), (476, 1719095), (490, 1669978), (595, 1375276), (833, 982340), (980, 834989), (1190, 687638), (1666, 491170), (2380, 343819), (3332, 245585), (4165, 196468), (8330, 98234), (16660, 49117)]