2538940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 5668992

約数和(自身を除く): 3130052

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 73, 74, 94, 146, 148, 185, 188, 235, 292, 365, 370, 470, 730, 740, 940, 1460, 1739, 2701, 3431, 3478, 5402, 6862, 6956, 8695, 10804, 13505, 13724, 17155, 17390, 27010, 34310, 34780, 54020, 68620, 126947, 253894, 507788, 634735, 1269470, 2538940]

約数ペア:

[(1, 2538940), (2, 1269470), (4, 634735), (5, 507788), (10, 253894), (20, 126947), (37, 68620), (47, 54020), (73, 34780), (74, 34310), (94, 27010), (146, 17390), (148, 17155), (185, 13724), (188, 13505), (235, 10804), (292, 8695), (365, 6956), (370, 6862), (470, 5402), (730, 3478), (740, 3431), (940, 2701), (1460, 1739)]