819723740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{22859}}^1$

素因数の和:23042

約数の個数: 48

約数和(自身を含む): 1889516160

約数和(自身を除く): 1069792420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 652, 815, 1630, 1793, 3260, 3586, 7172, 8965, 17930, 22859, 35860, 45718, 91436, 114295, 228590, 251449, 457180, 502898, 1005796, 1257245, 2514490, 3726017, 5028980, 7452034, 14904068, 18630085, 37260170, 40986187, 74520340, 81972374, 163944748, 204930935, 409861870, 819723740]

約数ペア:

[(1, 819723740), (2, 409861870), (4, 204930935), (5, 163944748), (10, 81972374), (11, 74520340), (20, 40986187), (22, 37260170), (44, 18630085), (55, 14904068), (110, 7452034), (163, 5028980), (220, 3726017), (326, 2514490), (652, 1257245), (815, 1005796), (1630, 502898), (1793, 457180), (3260, 251449), (3586, 228590), (7172, 114295), (8965, 91436), (17930, 45718), (22859, 35860)]