738974740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{86531}}^1$

素因数の和:86608

約数の個数: 48

約数和(自身を含む): 1802634624

約数和(自身を除く): 1063659884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 86531, 173062, 346124, 432655, 605717, 865310, 1211434, 1730620, 2422868, 3028585, 5278391, 6057170, 10556782, 12114340, 21113564, 26391955, 36948737, 52783910, 73897474, 105567820, 147794948, 184743685, 369487370, 738974740]

約数ペア:

[(1, 738974740), (2, 369487370), (4, 184743685), (5, 147794948), (7, 105567820), (10, 73897474), (14, 52783910), (20, 36948737), (28, 26391955), (35, 21113564), (61, 12114340), (70, 10556782), (122, 6057170), (140, 5278391), (244, 3028585), (305, 2422868), (427, 1730620), (610, 1211434), (854, 865310), (1220, 605717), (1708, 432655), (2135, 346124), (4270, 173062), (8540, 86531)]