5213890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 10725120

約数和(自身を除く): 5511230

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 121, 139, 155, 242, 278, 310, 341, 605, 682, 695, 1210, 1390, 1529, 1705, 3058, 3410, 3751, 4309, 7502, 7645, 8618, 15290, 16819, 18755, 21545, 33638, 37510, 43090, 47399, 84095, 94798, 168190, 236995, 473990, 521389, 1042778, 2606945, 5213890]

約数ペア:

[(1, 5213890), (2, 2606945), (5, 1042778), (10, 521389), (11, 473990), (22, 236995), (31, 168190), (55, 94798), (62, 84095), (110, 47399), (121, 43090), (139, 37510), (155, 33638), (242, 21545), (278, 18755), (310, 16819), (341, 15290), (605, 8618), (682, 7645), (695, 7502), (1210, 4309), (1390, 3751), (1529, 3410), (1705, 3058)]