790147300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2111}}^1$

素因数の和:2341

約数の個数: 72

約数和(自身を含む): 1814883840

約数和(自身を除く): 1024736540

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 197, 380, 394, 475, 788, 950, 985, 1900, 1970, 2111, 3743, 3940, 4222, 4925, 7486, 8444, 9850, 10555, 14972, 18715, 19700, 21110, 37430, 40109, 42220, 52775, 74860, 80218, 93575, 105550, 160436, 187150, 200545, 211100, 374300, 401090, 415867, 802180, 831734, 1002725, 1663468, 2005450, 2079335, 4010900, 4158670, 7901473, 8317340, 10396675, 15802946, 20793350, 31605892, 39507365, 41586700, 79014730, 158029460, 197536825, 395073650, 790147300]

約数ペア:

[(1, 790147300), (2, 395073650), (4, 197536825), (5, 158029460), (10, 79014730), (19, 41586700), (20, 39507365), (25, 31605892), (38, 20793350), (50, 15802946), (76, 10396675), (95, 8317340), (100, 7901473), (190, 4158670), (197, 4010900), (380, 2079335), (394, 2005450), (475, 1663468), (788, 1002725), (950, 831734), (985, 802180), (1900, 415867), (1970, 401090), (2111, 374300), (3743, 211100), (3940, 200545), (4222, 187150), (4925, 160436), (7486, 105550), (8444, 93575), (9850, 80218), (10555, 74860), (14972, 52775), (18715, 42220), (19700, 40109), (21110, 37430)]