121626820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1571}}^1$

素因数の和:1673

約数の個数: 72

約数和(自身を含む): 301069440

約数和(自身を除く): 179442620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 980, 1106, 1571, 1580, 2212, 2765, 3142, 3871, 5530, 6284, 7742, 7855, 10997, 11060, 15484, 15710, 19355, 21994, 31420, 38710, 43988, 54985, 76979, 77420, 109970, 124109, 153958, 219940, 248218, 307916, 384895, 496436, 620545, 769790, 868763, 1241090, 1539580, 1737526, 2482180, 3475052, 4343815, 6081341, 8687630, 12162682, 17375260, 24325364, 30406705, 60813410, 121626820]

約数ペア:

[(1, 121626820), (2, 60813410), (4, 30406705), (5, 24325364), (7, 17375260), (10, 12162682), (14, 8687630), (20, 6081341), (28, 4343815), (35, 3475052), (49, 2482180), (70, 1737526), (79, 1539580), (98, 1241090), (140, 868763), (158, 769790), (196, 620545), (245, 496436), (316, 384895), (395, 307916), (490, 248218), (553, 219940), (790, 153958), (980, 124109), (1106, 109970), (1571, 77420), (1580, 76979), (2212, 54985), (2765, 43988), (3142, 38710), (3871, 31420), (5530, 21994), (6284, 19355), (7742, 15710), (7855, 15484), (10997, 11060)]