326941900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{547}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 732522560

約数和(自身を除く): 405580660

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 139, 172, 215, 278, 430, 547, 556, 695, 860, 1075, 1094, 1390, 2150, 2188, 2735, 2780, 3475, 4300, 5470, 5977, 6950, 10940, 11954, 13675, 13900, 23521, 23908, 27350, 29885, 47042, 54700, 59770, 76033, 94084, 117605, 119540, 149425, 152066, 235210, 298850, 304132, 380165, 470420, 588025, 597700, 760330, 1176050, 1520660, 1900825, 2352100, 3269419, 3801650, 6538838, 7603300, 13077676, 16347095, 32694190, 65388380, 81735475, 163470950, 326941900]

約数ペア:

[(1, 326941900), (2, 163470950), (4, 81735475), (5, 65388380), (10, 32694190), (20, 16347095), (25, 13077676), (43, 7603300), (50, 6538838), (86, 3801650), (100, 3269419), (139, 2352100), (172, 1900825), (215, 1520660), (278, 1176050), (430, 760330), (547, 597700), (556, 588025), (695, 470420), (860, 380165), (1075, 304132), (1094, 298850), (1390, 235210), (2150, 152066), (2188, 149425), (2735, 119540), (2780, 117605), (3475, 94084), (4300, 76033), (5470, 59770), (5977, 54700), (6950, 47042), (10940, 29885), (11954, 27350), (13675, 23908), (13900, 23521)]