71418820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{4447}}^1$

素因数の和:4540

約数の個数: 48

約数和(自身を含む): 165892608

約数和(自身を除く): 94473788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 4447, 8030, 8894, 16060, 17788, 22235, 44470, 48917, 88940, 97834, 195668, 244585, 324631, 489170, 649262, 978340, 1298524, 1623155, 3246310, 3570941, 6492620, 7141882, 14283764, 17854705, 35709410, 71418820]

約数ペア:

[(1, 71418820), (2, 35709410), (4, 17854705), (5, 14283764), (10, 7141882), (11, 6492620), (20, 3570941), (22, 3246310), (44, 1623155), (55, 1298524), (73, 978340), (110, 649262), (146, 489170), (220, 324631), (292, 244585), (365, 195668), (730, 97834), (803, 88940), (1460, 48917), (1606, 44470), (3212, 22235), (4015, 17788), (4447, 16060), (8030, 8894)]