669229220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{2111}}^1$

素因数の和:2273

約数の個数: 72

約数和(自身を含む): 1557287424

約数和(自身を除く): 888058204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 131, 220, 242, 262, 484, 524, 605, 655, 1210, 1310, 1441, 2111, 2420, 2620, 2882, 4222, 5764, 7205, 8444, 10555, 14410, 15851, 21110, 23221, 28820, 31702, 42220, 46442, 63404, 79255, 92884, 116105, 158510, 232210, 255431, 276541, 317020, 464420, 510862, 553082, 1021724, 1106164, 1277155, 1382705, 2554310, 2765410, 3041951, 5108620, 5530820, 6083902, 12167804, 15209755, 30419510, 33461461, 60839020, 66922922, 133845844, 167307305, 334614610, 669229220]

約数ペア:

[(1, 669229220), (2, 334614610), (4, 167307305), (5, 133845844), (10, 66922922), (11, 60839020), (20, 33461461), (22, 30419510), (44, 15209755), (55, 12167804), (110, 6083902), (121, 5530820), (131, 5108620), (220, 3041951), (242, 2765410), (262, 2554310), (484, 1382705), (524, 1277155), (605, 1106164), (655, 1021724), (1210, 553082), (1310, 510862), (1441, 464420), (2111, 317020), (2420, 276541), (2620, 255431), (2882, 232210), (4222, 158510), (5764, 116105), (7205, 92884), (8444, 79255), (10555, 63404), (14410, 46442), (15851, 42220), (21110, 31702), (23221, 28820)]