720100

素因数分解:

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

素因数の和:412

約数の個数: 36

約数和(自身を含む): 1649200

約数和(自身を除く): 929100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 379, 380, 475, 758, 950, 1516, 1895, 1900, 3790, 7201, 7580, 9475, 14402, 18950, 28804, 36005, 37900, 72010, 144020, 180025, 360050, 720100]

約数ペア:

[(1, 720100), (2, 360050), (4, 180025), (5, 144020), (10, 72010), (19, 37900), (20, 36005), (25, 28804), (38, 18950), (50, 14402), (76, 9475), (95, 7580), (100, 7201), (190, 3790), (379, 1900), (380, 1895), (475, 1516), (758, 950)]