888936620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23909}}^1$

素因数の和:23955

約数の個数: 72

約数和(自身を含む): 2205267120

約数和(自身を除く): 1316330500

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 2860, 3380, 3718, 7436, 9295, 18590, 23909, 37180, 47818, 95636, 119545, 239090, 262999, 310817, 478180, 525998, 621634, 1051996, 1243268, 1314995, 1554085, 2629990, 3108170, 3418987, 4040621, 5259980, 6216340, 6837974, 8081242, 13675948, 16162484, 17094935, 20203105, 34189870, 40406210, 44446831, 68379740, 80812420, 88893662, 177787324, 222234155, 444468310, 888936620]

約数ペア:

[(1, 888936620), (2, 444468310), (4, 222234155), (5, 177787324), (10, 88893662), (11, 80812420), (13, 68379740), (20, 44446831), (22, 40406210), (26, 34189870), (44, 20203105), (52, 17094935), (55, 16162484), (65, 13675948), (110, 8081242), (130, 6837974), (143, 6216340), (169, 5259980), (220, 4040621), (260, 3418987), (286, 3108170), (338, 2629990), (572, 1554085), (676, 1314995), (715, 1243268), (845, 1051996), (1430, 621634), (1690, 525998), (1859, 478180), (2860, 310817), (3380, 262999), (3718, 239090), (7436, 119545), (9295, 95636), (18590, 47818), (23909, 37180)]