766134020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1\times {\mathrm{1229}}^1$

素因数の和:1748

約数の個数: 48

約数和(自身を含む): 1636588800

約数和(自身を除く): 870454780

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 439, 710, 878, 1229, 1420, 1756, 2195, 2458, 4390, 4916, 6145, 8780, 12290, 24580, 31169, 62338, 87259, 124676, 155845, 174518, 311690, 349036, 436295, 539531, 623380, 872590, 1079062, 1745180, 2158124, 2697655, 5395310, 10790620, 38306701, 76613402, 153226804, 191533505, 383067010, 766134020]

約数ペア:

[(1, 766134020), (2, 383067010), (4, 191533505), (5, 153226804), (10, 76613402), (20, 38306701), (71, 10790620), (142, 5395310), (284, 2697655), (355, 2158124), (439, 1745180), (710, 1079062), (878, 872590), (1229, 623380), (1420, 539531), (1756, 436295), (2195, 349036), (2458, 311690), (4390, 174518), (4916, 155845), (6145, 124676), (8780, 87259), (12290, 62338), (24580, 31169)]