61349420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 143582544

約数和(自身を除く): 82233124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 121, 202, 220, 242, 251, 404, 484, 502, 505, 605, 1004, 1010, 1111, 1210, 1255, 2020, 2222, 2420, 2510, 2761, 4444, 5020, 5522, 5555, 11044, 11110, 12221, 13805, 22220, 24442, 25351, 27610, 30371, 48884, 50702, 55220, 60742, 61105, 101404, 121484, 122210, 126755, 151855, 244420, 253510, 278861, 303710, 507020, 557722, 607420, 1115444, 1394305, 2788610, 3067471, 5577220, 6134942, 12269884, 15337355, 30674710, 61349420]

約数ペア:

[(1, 61349420), (2, 30674710), (4, 15337355), (5, 12269884), (10, 6134942), (11, 5577220), (20, 3067471), (22, 2788610), (44, 1394305), (55, 1115444), (101, 607420), (110, 557722), (121, 507020), (202, 303710), (220, 278861), (242, 253510), (251, 244420), (404, 151855), (484, 126755), (502, 122210), (505, 121484), (605, 101404), (1004, 61105), (1010, 60742), (1111, 55220), (1210, 50702), (1255, 48884), (2020, 30371), (2222, 27610), (2420, 25351), (2510, 24442), (2761, 22220), (4444, 13805), (5020, 12221), (5522, 11110), (5555, 11044)]