78010000

素因数分解:

$2^4\times 5^4\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:326

約数の個数: 100

約数和(自身を含む): 196109100

約数和(自身を除く): 118099100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 145, 200, 232, 250, 269, 290, 400, 464, 500, 538, 580, 625, 725, 1000, 1076, 1160, 1250, 1345, 1450, 2000, 2152, 2320, 2500, 2690, 2900, 3625, 4304, 5000, 5380, 5800, 6725, 7250, 7801, 10000, 10760, 11600, 13450, 14500, 15602, 18125, 21520, 26900, 29000, 31204, 33625, 36250, 39005, 53800, 58000, 62408, 67250, 72500, 78010, 107600, 124816, 134500, 145000, 156020, 168125, 195025, 269000, 290000, 312040, 336250, 390050, 538000, 624080, 672500, 780100, 975125, 1345000, 1560200, 1950250, 2690000, 3120400, 3900500, 4875625, 7801000, 9751250, 15602000, 19502500, 39005000, 78010000]

約数ペア:

[(1, 78010000), (2, 39005000), (4, 19502500), (5, 15602000), (8, 9751250), (10, 7801000), (16, 4875625), (20, 3900500), (25, 3120400), (29, 2690000), (40, 1950250), (50, 1560200), (58, 1345000), (80, 975125), (100, 780100), (116, 672500), (125, 624080), (145, 538000), (200, 390050), (232, 336250), (250, 312040), (269, 290000), (290, 269000), (400, 195025), (464, 168125), (500, 156020), (538, 145000), (580, 134500), (625, 124816), (725, 107600), (1000, 78010), (1076, 72500), (1160, 67250), (1250, 62408), (1345, 58000), (1450, 53800), (2000, 39005), (2152, 36250), (2320, 33625), (2500, 31204), (2690, 29000), (2900, 26900), (3625, 21520), (4304, 18125), (5000, 15602), (5380, 14500), (5800, 13450), (6725, 11600), (7250, 10760), (7801, 10000)]