90542020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{373}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 195093360

約数和(自身を除く): 104551340

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 229, 265, 373, 458, 530, 746, 916, 1060, 1145, 1492, 1865, 2290, 3730, 4580, 7460, 12137, 19769, 24274, 39538, 48548, 60685, 79076, 85417, 98845, 121370, 170834, 197690, 242740, 341668, 395380, 427085, 854170, 1708340, 4527101, 9054202, 18108404, 22635505, 45271010, 90542020]

約数ペア:

[(1, 90542020), (2, 45271010), (4, 22635505), (5, 18108404), (10, 9054202), (20, 4527101), (53, 1708340), (106, 854170), (212, 427085), (229, 395380), (265, 341668), (373, 242740), (458, 197690), (530, 170834), (746, 121370), (916, 98845), (1060, 85417), (1145, 79076), (1492, 60685), (1865, 48548), (2290, 39538), (3730, 24274), (4580, 19769), (7460, 12137)]