2259980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{23}}^1$

素因数の和:83

約数の個数: 48

約数和(自身を含む): 5261760

約数和(自身を除く): 3001780

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 289, 340, 391, 460, 578, 782, 1156, 1445, 1564, 1955, 2890, 3910, 4913, 5780, 6647, 7820, 9826, 13294, 19652, 24565, 26588, 33235, 49130, 66470, 98260, 112999, 132940, 225998, 451996, 564995, 1129990, 2259980]

約数ペア:

[(1, 2259980), (2, 1129990), (4, 564995), (5, 451996), (10, 225998), (17, 132940), (20, 112999), (23, 98260), (34, 66470), (46, 49130), (68, 33235), (85, 26588), (92, 24565), (115, 19652), (170, 13294), (230, 9826), (289, 7820), (340, 6647), (391, 5780), (460, 4913), (578, 3910), (782, 2890), (1156, 1955), (1445, 1564)]