2138698975

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{593}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 3123603648

約数和(自身を除く): 984904673

約数列:

[1, 5, 7, 25, 35, 37, 175, 185, 259, 557, 593, 925, 1295, 2785, 2965, 3899, 4151, 6475, 13925, 14825, 19495, 20609, 20755, 21941, 97475, 103045, 103775, 109705, 144263, 153587, 330301, 515225, 548525, 721315, 767935, 1651505, 2312107, 3606575, 3839675, 8257525, 11560535, 12221137, 57802675, 61105685, 85547959, 305528425, 427739795, 2138698975]

約数ペア:

[(1, 2138698975), (5, 427739795), (7, 305528425), (25, 85547959), (35, 61105685), (37, 57802675), (175, 12221137), (185, 11560535), (259, 8257525), (557, 3839675), (593, 3606575), (925, 2312107), (1295, 1651505), (2785, 767935), (2965, 721315), (3899, 548525), (4151, 515225), (6475, 330301), (13925, 153587), (14825, 144263), (19495, 109705), (20609, 103775), (20755, 103045), (21941, 97475)]