2880400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:416

約数の個数: 60

約数和(自身を含む): 7303600

約数和(自身を除く): 4423200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 379, 380, 400, 475, 758, 760, 950, 1516, 1520, 1895, 1900, 3032, 3790, 3800, 6064, 7201, 7580, 7600, 9475, 14402, 15160, 18950, 28804, 30320, 36005, 37900, 57608, 72010, 75800, 115216, 144020, 151600, 180025, 288040, 360050, 576080, 720100, 1440200, 2880400]

約数ペア:

[(1, 2880400), (2, 1440200), (4, 720100), (5, 576080), (8, 360050), (10, 288040), (16, 180025), (19, 151600), (20, 144020), (25, 115216), (38, 75800), (40, 72010), (50, 57608), (76, 37900), (80, 36005), (95, 30320), (100, 28804), (152, 18950), (190, 15160), (200, 14402), (304, 9475), (379, 7600), (380, 7580), (400, 7201), (475, 6064), (758, 3800), (760, 3790), (950, 3032), (1516, 1900), (1520, 1895)]