1890755875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{1193}}^1$

素因数の和:1648

約数の個数: 32

約数和(自身を含む): 2443783680

約数和(自身を除く): 553027805

約数列:

[1, 5, 25, 31, 125, 155, 409, 775, 1193, 2045, 3875, 5965, 10225, 12679, 29825, 36983, 51125, 63395, 149125, 184915, 316975, 487937, 924575, 1584875, 2439685, 4622875, 12198425, 15126047, 60992125, 75630235, 378151175, 1890755875]

約数ペア:

[(1, 1890755875), (5, 378151175), (25, 75630235), (31, 60992125), (125, 15126047), (155, 12198425), (409, 4622875), (775, 2439685), (1193, 1584875), (2045, 924575), (3875, 487937), (5965, 316975), (10225, 184915), (12679, 149125), (29825, 63395), (36983, 51125)]