7801000

素因数分解:

$2^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 18954000

約数和(自身を除く): 11153000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 200, 232, 250, 269, 290, 500, 538, 580, 725, 1000, 1076, 1160, 1345, 1450, 2152, 2690, 2900, 3625, 5380, 5800, 6725, 7250, 7801, 10760, 13450, 14500, 15602, 26900, 29000, 31204, 33625, 39005, 53800, 62408, 67250, 78010, 134500, 156020, 195025, 269000, 312040, 390050, 780100, 975125, 1560200, 1950250, 3900500, 7801000]

約数ペア:

[(1, 7801000), (2, 3900500), (4, 1950250), (5, 1560200), (8, 975125), (10, 780100), (20, 390050), (25, 312040), (29, 269000), (40, 195025), (50, 156020), (58, 134500), (100, 78010), (116, 67250), (125, 62408), (145, 53800), (200, 39005), (232, 33625), (250, 31204), (269, 29000), (290, 26900), (500, 15602), (538, 14500), (580, 13450), (725, 10760), (1000, 7801), (1076, 7250), (1160, 6725), (1345, 5800), (1450, 5380), (2152, 3625), (2690, 2900)]