1189486520

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{72707}}^1$

素因数の和:73127

約数の個数: 32

約数和(自身を含む): 2682925200

約数和(自身を除く): 1493438680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 16360, 72707, 145414, 290828, 363535, 581656, 727070, 1454140, 2908280, 29737163, 59474326, 118948652, 148685815, 237897304, 297371630, 594743260, 1189486520]

約数ペア:

[(1, 1189486520), (2, 594743260), (4, 297371630), (5, 237897304), (8, 148685815), (10, 118948652), (20, 59474326), (40, 29737163), (409, 2908280), (818, 1454140), (1636, 727070), (2045, 581656), (3272, 363535), (4090, 290828), (8180, 145414), (16360, 72707)]