219075640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{953}}^1$

素因数の和:1792

約数の個数: 64

約数和(自身を含む): 564615360

約数和(自身を除く): 345539720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 821, 953, 1642, 1906, 3284, 3812, 4105, 4765, 5747, 6568, 6671, 7624, 8210, 9530, 11494, 13342, 16420, 19060, 22988, 26684, 28735, 32840, 33355, 38120, 45976, 53368, 57470, 66710, 114940, 133420, 229880, 266840, 782413, 1564826, 3129652, 3912065, 5476891, 6259304, 7824130, 10953782, 15648260, 21907564, 27384455, 31296520, 43815128, 54768910, 109537820, 219075640]

約数ペア:

[(1, 219075640), (2, 109537820), (4, 54768910), (5, 43815128), (7, 31296520), (8, 27384455), (10, 21907564), (14, 15648260), (20, 10953782), (28, 7824130), (35, 6259304), (40, 5476891), (56, 3912065), (70, 3129652), (140, 1564826), (280, 782413), (821, 266840), (953, 229880), (1642, 133420), (1906, 114940), (3284, 66710), (3812, 57470), (4105, 53368), (4765, 45976), (5747, 38120), (6568, 33355), (6671, 32840), (7624, 28735), (8210, 26684), (9530, 22988), (11494, 19060), (13342, 16420)]