996955940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{2789}}^1$

素因数の和:3152

約数の個数: 48

約数和(自身を含む): 2135957040

約数和(自身を除く): 1139001100

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 293, 305, 586, 610, 1172, 1220, 1465, 2789, 2930, 5578, 5860, 11156, 13945, 17873, 27890, 35746, 55780, 71492, 89365, 170129, 178730, 340258, 357460, 680516, 817177, 850645, 1634354, 1701290, 3268708, 3402580, 4085885, 8171770, 16343540, 49847797, 99695594, 199391188, 249238985, 498477970, 996955940]

約数ペア:

[(1, 996955940), (2, 498477970), (4, 249238985), (5, 199391188), (10, 99695594), (20, 49847797), (61, 16343540), (122, 8171770), (244, 4085885), (293, 3402580), (305, 3268708), (586, 1701290), (610, 1634354), (1172, 850645), (1220, 817177), (1465, 680516), (2789, 357460), (2930, 340258), (5578, 178730), (5860, 170129), (11156, 89365), (13945, 71492), (17873, 55780), (27890, 35746)]