118384400

素因数分解:

$2^4\times 5^2\times {\mathrm{295961}}^1$

素因数の和:295979

約数の個数: 30

約数和(自身を含む): 284419482

約数和(自身を除く): 166035082

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 295961, 591922, 1183844, 1479805, 2367688, 2959610, 4735376, 5919220, 7399025, 11838440, 14798050, 23676880, 29596100, 59192200, 118384400]

約数ペア:

[(1, 118384400), (2, 59192200), (4, 29596100), (5, 23676880), (8, 14798050), (10, 11838440), (16, 7399025), (20, 5919220), (25, 4735376), (40, 2959610), (50, 2367688), (80, 1479805), (100, 1183844), (200, 591922), (400, 295961)]