207830440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{305633}}^1$

素因数の和:305661

約数の個数: 32

約数和(自身を含む): 495127080

約数和(自身を除く): 287296640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 305633, 611266, 1222532, 1528165, 2445064, 3056330, 5195761, 6112660, 10391522, 12225320, 20783044, 25978805, 41566088, 51957610, 103915220, 207830440]

約数ペア:

[(1, 207830440), (2, 103915220), (4, 51957610), (5, 41566088), (8, 25978805), (10, 20783044), (17, 12225320), (20, 10391522), (34, 6112660), (40, 5195761), (68, 3056330), (85, 2445064), (136, 1528165), (170, 1222532), (340, 611266), (680, 305633)]