61785220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2551}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 149200128

約数和(自身を除く): 87414908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1730, 2422, 2551, 3460, 4844, 5102, 6055, 10204, 12110, 12755, 17857, 24220, 25510, 35714, 51020, 71428, 89285, 178570, 357140, 441323, 882646, 1765292, 2206615, 3089261, 4413230, 6178522, 8826460, 12357044, 15446305, 30892610, 61785220]

約数ペア:

[(1, 61785220), (2, 30892610), (4, 15446305), (5, 12357044), (7, 8826460), (10, 6178522), (14, 4413230), (20, 3089261), (28, 2206615), (35, 1765292), (70, 882646), (140, 441323), (173, 357140), (346, 178570), (692, 89285), (865, 71428), (1211, 51020), (1730, 35714), (2422, 25510), (2551, 24220), (3460, 17857), (4844, 12755), (5102, 12110), (6055, 10204)]