289315060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2791}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 624782592

約数和(自身を除く): 335467532

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 284, 292, 355, 365, 710, 730, 1420, 1460, 2791, 5183, 5582, 10366, 11164, 13955, 20732, 25915, 27910, 51830, 55820, 103660, 198161, 203743, 396322, 407486, 792644, 814972, 990805, 1018715, 1981610, 2037430, 3963220, 4074860, 14465753, 28931506, 57863012, 72328765, 144657530, 289315060]

約数ペア:

[(1, 289315060), (2, 144657530), (4, 72328765), (5, 57863012), (10, 28931506), (20, 14465753), (71, 4074860), (73, 3963220), (142, 2037430), (146, 1981610), (284, 1018715), (292, 990805), (355, 814972), (365, 792644), (710, 407486), (730, 396322), (1420, 203743), (1460, 198161), (2791, 103660), (5183, 55820), (5582, 51830), (10366, 27910), (11164, 25915), (13955, 20732)]