178972660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{1699}}^1$

素因数の和:1960

約数の個数: 48

約数和(自身を含む): 394128000

約数和(自身を除く): 215155340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 229, 230, 458, 460, 916, 1145, 1699, 2290, 3398, 4580, 5267, 6796, 8495, 10534, 16990, 21068, 26335, 33980, 39077, 52670, 78154, 105340, 156308, 195385, 389071, 390770, 778142, 781540, 1556284, 1945355, 3890710, 7781420, 8948633, 17897266, 35794532, 44743165, 89486330, 178972660]

約数ペア:

[(1, 178972660), (2, 89486330), (4, 44743165), (5, 35794532), (10, 17897266), (20, 8948633), (23, 7781420), (46, 3890710), (92, 1945355), (115, 1556284), (229, 781540), (230, 778142), (458, 390770), (460, 389071), (916, 195385), (1145, 156308), (1699, 105340), (2290, 78154), (3398, 52670), (4580, 39077), (5267, 33980), (6796, 26335), (8495, 21068), (10534, 16990)]