66868730

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 123076800

約数和(自身を除く): 56208070

約数列:

[1, 2, 5, 10, 73, 139, 146, 278, 365, 659, 695, 730, 1318, 1390, 3295, 6590, 10147, 20294, 48107, 50735, 91601, 96214, 101470, 183202, 240535, 458005, 481070, 916010, 6686873, 13373746, 33434365, 66868730]

約数ペア:

[(1, 66868730), (2, 33434365), (5, 13373746), (10, 6686873), (73, 916010), (139, 481070), (146, 458005), (278, 240535), (365, 183202), (659, 101470), (695, 96214), (730, 91601), (1318, 50735), (1390, 48107), (3295, 20294), (6590, 10147)]