31743140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1009}}^1$

素因数の和:1053

約数の個数: 72

約数和(自身を含む): 78986040

約数和(自身を除く): 47242900

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1009, 1210, 1430, 1573, 2018, 2420, 2860, 3146, 4036, 5045, 6292, 7865, 10090, 11099, 13117, 15730, 20180, 22198, 26234, 31460, 44396, 52468, 55495, 65585, 110990, 122089, 131170, 144287, 221980, 244178, 262340, 288574, 488356, 577148, 610445, 721435, 1220890, 1442870, 1587157, 2441780, 2885740, 3174314, 6348628, 7935785, 15871570, 31743140]

約数ペア:

[(1, 31743140), (2, 15871570), (4, 7935785), (5, 6348628), (10, 3174314), (11, 2885740), (13, 2441780), (20, 1587157), (22, 1442870), (26, 1220890), (44, 721435), (52, 610445), (55, 577148), (65, 488356), (110, 288574), (121, 262340), (130, 244178), (143, 221980), (220, 144287), (242, 131170), (260, 122089), (286, 110990), (484, 65585), (572, 55495), (605, 52468), (715, 44396), (1009, 31460), (1210, 26234), (1430, 22198), (1573, 20180), (2018, 15730), (2420, 13117), (2860, 11099), (3146, 10090), (4036, 7865), (5045, 6292)]