291434210

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{1999}}^1$

素因数の和:2306

約数の個数: 32

約数和(自身を含む): 535680000

約数和(自身を除く): 244245790

約数列:

[1, 2, 5, 10, 61, 122, 239, 305, 478, 610, 1195, 1999, 2390, 3998, 9995, 14579, 19990, 29158, 72895, 121939, 145790, 243878, 477761, 609695, 955522, 1219390, 2388805, 4777610, 29143421, 58286842, 145717105, 291434210]

約数ペア:

[(1, 291434210), (2, 145717105), (5, 58286842), (10, 29143421), (61, 4777610), (122, 2388805), (239, 1219390), (305, 955522), (478, 609695), (610, 477761), (1195, 243878), (1999, 145790), (2390, 121939), (3998, 72895), (9995, 29158), (14579, 19990)]