784199369620

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{7307}}^1\times {\mathrm{27239}}^1$

素因数の和:34752

約数の個数: 48

約数和(自身を含む): 1655465454720

約数和(自身を除く): 871266085100

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 7307, 14614, 27239, 29228, 36535, 54478, 73070, 108956, 136195, 146140, 272390, 544780, 1439479, 2878958, 5366083, 5757916, 7197395, 10732166, 14394790, 21464332, 26830415, 28789580, 53660830, 107321660, 199035373, 398070746, 796141492, 995176865, 1990353730, 3980707460, 39209968481, 78419936962, 156839873924, 196049842405, 392099684810, 784199369620]

約数ペア:

[(1, 784199369620), (2, 392099684810), (4, 196049842405), (5, 156839873924), (10, 78419936962), (20, 39209968481), (197, 3980707460), (394, 1990353730), (788, 995176865), (985, 796141492), (1970, 398070746), (3940, 199035373), (7307, 107321660), (14614, 53660830), (27239, 28789580), (29228, 26830415), (36535, 21464332), (54478, 14394790), (73070, 10732166), (108956, 7197395), (136195, 5757916), (146140, 5366083), (272390, 2878958), (544780, 1439479)]