2491940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 5854464

約数和(自身を除く): 3362524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 241, 470, 482, 517, 940, 964, 1034, 1205, 2068, 2410, 2585, 2651, 4820, 5170, 5302, 10340, 10604, 11327, 13255, 22654, 26510, 45308, 53020, 56635, 113270, 124597, 226540, 249194, 498388, 622985, 1245970, 2491940]

約数ペア:

[(1, 2491940), (2, 1245970), (4, 622985), (5, 498388), (10, 249194), (11, 226540), (20, 124597), (22, 113270), (44, 56635), (47, 53020), (55, 45308), (94, 26510), (110, 22654), (188, 13255), (220, 11327), (235, 10604), (241, 10340), (470, 5302), (482, 5170), (517, 4820), (940, 2651), (964, 2585), (1034, 2410), (1205, 2068)]