248249950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{619}}^1$

素因数の和:1261

約数の個数: 48

約数和(自身を含む): 498874320

約数和(自身を除く): 250624370

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 617, 619, 650, 1234, 1238, 3085, 3095, 6170, 6190, 8021, 8047, 15425, 15475, 16042, 16094, 30850, 30950, 40105, 40235, 80210, 80470, 200525, 201175, 381923, 401050, 402350, 763846, 1909615, 3819230, 4964999, 9548075, 9929998, 19096150, 24824995, 49649990, 124124975, 248249950]

約数ペア:

[(1, 248249950), (2, 124124975), (5, 49649990), (10, 24824995), (13, 19096150), (25, 9929998), (26, 9548075), (50, 4964999), (65, 3819230), (130, 1909615), (325, 763846), (617, 402350), (619, 401050), (650, 381923), (1234, 201175), (1238, 200525), (3085, 80470), (3095, 80210), (6170, 40235), (6190, 40105), (8021, 30950), (8047, 30850), (15425, 16094), (15475, 16042)]