1320100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:364

約数の個数: 36

約数和(自身を含む): 2940784

約数和(自身を除く): 1620684

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 307, 430, 614, 860, 1075, 1228, 1535, 2150, 3070, 4300, 6140, 7675, 13201, 15350, 26402, 30700, 52804, 66005, 132010, 264020, 330025, 660050, 1320100]

約数ペア:

[(1, 1320100), (2, 660050), (4, 330025), (5, 264020), (10, 132010), (20, 66005), (25, 52804), (43, 30700), (50, 26402), (86, 15350), (100, 13201), (172, 7675), (215, 6140), (307, 4300), (430, 3070), (614, 2150), (860, 1535), (1075, 1228)]