100858400

素因数分解:

$2^5\times 5^2\times {\mathrm{139}}^1\times {\mathrm{907}}^1$

素因数の和:1066

約数の個数: 72

約数和(自身を含む): 248265360

約数和(自身を除く): 147406960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 139, 160, 200, 278, 400, 556, 695, 800, 907, 1112, 1390, 1814, 2224, 2780, 3475, 3628, 4448, 4535, 5560, 6950, 7256, 9070, 11120, 13900, 14512, 18140, 22240, 22675, 27800, 29024, 36280, 45350, 55600, 72560, 90700, 111200, 126073, 145120, 181400, 252146, 362800, 504292, 630365, 725600, 1008584, 1260730, 2017168, 2521460, 3151825, 4034336, 5042920, 6303650, 10085840, 12607300, 20171680, 25214600, 50429200, 100858400]

約数ペア:

[(1, 100858400), (2, 50429200), (4, 25214600), (5, 20171680), (8, 12607300), (10, 10085840), (16, 6303650), (20, 5042920), (25, 4034336), (32, 3151825), (40, 2521460), (50, 2017168), (80, 1260730), (100, 1008584), (139, 725600), (160, 630365), (200, 504292), (278, 362800), (400, 252146), (556, 181400), (695, 145120), (800, 126073), (907, 111200), (1112, 90700), (1390, 72560), (1814, 55600), (2224, 45350), (2780, 36280), (3475, 29024), (3628, 27800), (4448, 22675), (4535, 22240), (5560, 18140), (6950, 14512), (7256, 13900), (9070, 11120)]