209954320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{84659}}^1$

素因数の和:84703

約数の個数: 40

約数和(自身を含む): 503896320

約数和(自身を除く): 293942000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 84659, 169318, 338636, 423295, 677272, 846590, 1354544, 1693180, 2624429, 3386360, 5248858, 6772720, 10497716, 13122145, 20995432, 26244290, 41990864, 52488580, 104977160, 209954320]

約数ペア:

[(1, 209954320), (2, 104977160), (4, 52488580), (5, 41990864), (8, 26244290), (10, 20995432), (16, 13122145), (20, 10497716), (31, 6772720), (40, 5248858), (62, 3386360), (80, 2624429), (124, 1693180), (155, 1354544), (248, 846590), (310, 677272), (496, 423295), (620, 338636), (1240, 169318), (2480, 84659)]