209420240

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{6907}}^1$

素因数の和:7299

約数の個数: 40

約数和(自身を含む): 488257440

約数和(自身を除く): 278837200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 758, 1516, 1895, 3032, 3790, 6064, 6907, 7580, 13814, 15160, 27628, 30320, 34535, 55256, 69070, 110512, 138140, 276280, 552560, 2617753, 5235506, 10471012, 13088765, 20942024, 26177530, 41884048, 52355060, 104710120, 209420240]

約数ペア:

[(1, 209420240), (2, 104710120), (4, 52355060), (5, 41884048), (8, 26177530), (10, 20942024), (16, 13088765), (20, 10471012), (40, 5235506), (80, 2617753), (379, 552560), (758, 276280), (1516, 138140), (1895, 110512), (3032, 69070), (3790, 55256), (6064, 34535), (6907, 30320), (7580, 27628), (13814, 15160)]