189569840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{124717}}^1$

素因数の和:124749

約数の個数: 40

約数和(自身を含む): 463950960

約数和(自身を除く): 274381120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 124717, 249434, 498868, 623585, 997736, 1247170, 1995472, 2369623, 2494340, 4739246, 4988680, 9478492, 9977360, 11848115, 18956984, 23696230, 37913968, 47392460, 94784920, 189569840]

約数ペア:

[(1, 189569840), (2, 94784920), (4, 47392460), (5, 37913968), (8, 23696230), (10, 18956984), (16, 11848115), (19, 9977360), (20, 9478492), (38, 4988680), (40, 4739246), (76, 2494340), (80, 2369623), (95, 1995472), (152, 1247170), (190, 997736), (304, 623585), (380, 498868), (760, 249434), (1520, 124717)]