392000780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1\times {\mathrm{1163}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 868250880

約数和(自身を除く): 476250100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 887, 1163, 1774, 2326, 3548, 4435, 4652, 5815, 8870, 11630, 16853, 17740, 22097, 23260, 33706, 44194, 67412, 84265, 88388, 110485, 168530, 220970, 337060, 441940, 1031581, 2063162, 4126324, 5157905, 10315810, 19600039, 20631620, 39200078, 78400156, 98000195, 196000390, 392000780]

約数ペア:

[(1, 392000780), (2, 196000390), (4, 98000195), (5, 78400156), (10, 39200078), (19, 20631620), (20, 19600039), (38, 10315810), (76, 5157905), (95, 4126324), (190, 2063162), (380, 1031581), (887, 441940), (1163, 337060), (1774, 220970), (2326, 168530), (3548, 110485), (4435, 88388), (4652, 84265), (5815, 67412), (8870, 44194), (11630, 33706), (16853, 23260), (17740, 22097)]