252196480

素因数分解:

$2^7\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1013}}^1$

素因数の和:1421

約数の個数: 64

約数和(自身を含む): 605053800

約数和(自身を除く): 352857320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 389, 640, 778, 1013, 1556, 1945, 2026, 3112, 3890, 4052, 5065, 6224, 7780, 8104, 10130, 12448, 15560, 16208, 20260, 24896, 31120, 32416, 40520, 49792, 62240, 64832, 81040, 124480, 129664, 162080, 248960, 324160, 394057, 648320, 788114, 1576228, 1970285, 3152456, 3940570, 6304912, 7881140, 12609824, 15762280, 25219648, 31524560, 50439296, 63049120, 126098240, 252196480]

約数ペア:

[(1, 252196480), (2, 126098240), (4, 63049120), (5, 50439296), (8, 31524560), (10, 25219648), (16, 15762280), (20, 12609824), (32, 7881140), (40, 6304912), (64, 3940570), (80, 3152456), (128, 1970285), (160, 1576228), (320, 788114), (389, 648320), (640, 394057), (778, 324160), (1013, 248960), (1556, 162080), (1945, 129664), (2026, 124480), (3112, 81040), (3890, 64832), (4052, 62240), (5065, 49792), (6224, 40520), (7780, 32416), (8104, 31120), (10130, 24896), (12448, 20260), (15560, 16208)]