747911470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1609}}^1$

素因数の和:1729

約数の個数: 64

約数和(自身を含む): 1468938240

約数和(自身を除く): 721026770

約数列:

[1, 2, 5, 10, 23, 43, 46, 47, 86, 94, 115, 215, 230, 235, 430, 470, 989, 1081, 1609, 1978, 2021, 2162, 3218, 4042, 4945, 5405, 8045, 9890, 10105, 10810, 16090, 20210, 37007, 46483, 69187, 74014, 75623, 92966, 138374, 151246, 185035, 232415, 345935, 370070, 378115, 464830, 691870, 756230, 1591301, 1739329, 3182602, 3251789, 3478658, 6503578, 7956505, 8696645, 15913010, 16258945, 17393290, 32517890, 74791147, 149582294, 373955735, 747911470]

約数ペア:

[(1, 747911470), (2, 373955735), (5, 149582294), (10, 74791147), (23, 32517890), (43, 17393290), (46, 16258945), (47, 15913010), (86, 8696645), (94, 7956505), (115, 6503578), (215, 3478658), (230, 3251789), (235, 3182602), (430, 1739329), (470, 1591301), (989, 756230), (1081, 691870), (1609, 464830), (1978, 378115), (2021, 370070), (2162, 345935), (3218, 232415), (4042, 185035), (4945, 151246), (5405, 138374), (8045, 92966), (9890, 75623), (10105, 74014), (10810, 69187), (16090, 46483), (20210, 37007)]