209777720

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{46411}}^1$

素因数の和:46535

約数の個数: 32

約数和(自身を含む): 476187120

約数和(自身を除く): 266409400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 46411, 92822, 185644, 232055, 371288, 464110, 928220, 1856440, 5244443, 10488886, 20977772, 26222215, 41955544, 52444430, 104888860, 209777720]

約数ペア:

[(1, 209777720), (2, 104888860), (4, 52444430), (5, 41955544), (8, 26222215), (10, 20977772), (20, 10488886), (40, 5244443), (113, 1856440), (226, 928220), (452, 464110), (565, 371288), (904, 232055), (1130, 185644), (2260, 92822), (4520, 46411)]