2641770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 6949800

約数和(自身を除く): 4308030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 197, 298, 394, 447, 591, 745, 894, 985, 1182, 1341, 1490, 1773, 1970, 2235, 2682, 2955, 3546, 4470, 5910, 6705, 8865, 13410, 17730, 29353, 58706, 88059, 146765, 176118, 264177, 293530, 440295, 528354, 880590, 1320885, 2641770]

約数ペア:

[(1, 2641770), (2, 1320885), (3, 880590), (5, 528354), (6, 440295), (9, 293530), (10, 264177), (15, 176118), (18, 146765), (30, 88059), (45, 58706), (90, 29353), (149, 17730), (197, 13410), (298, 8865), (394, 6705), (447, 5910), (591, 4470), (745, 3546), (894, 2955), (985, 2682), (1182, 2235), (1341, 1970), (1490, 1773)]