1910721520

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{2179}}^1$

素因数の和:2402

約数の個数: 80

約数和(自身を含む): 4530022560

約数和(自身を除く): 2619301040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 113, 194, 226, 388, 452, 485, 565, 776, 904, 970, 1130, 1552, 1808, 1940, 2179, 2260, 3880, 4358, 4520, 7760, 8716, 9040, 10895, 10961, 17432, 21790, 21922, 34864, 43580, 43844, 54805, 87160, 87688, 109610, 174320, 175376, 211363, 219220, 246227, 422726, 438440, 492454, 845452, 876880, 984908, 1056815, 1231135, 1690904, 1969816, 2113630, 2462270, 3381808, 3939632, 4227260, 4924540, 8454520, 9849080, 16909040, 19698160, 23884019, 47768038, 95536076, 119420095, 191072152, 238840190, 382144304, 477680380, 955360760, 1910721520]

約数ペア:

[(1, 1910721520), (2, 955360760), (4, 477680380), (5, 382144304), (8, 238840190), (10, 191072152), (16, 119420095), (20, 95536076), (40, 47768038), (80, 23884019), (97, 19698160), (113, 16909040), (194, 9849080), (226, 8454520), (388, 4924540), (452, 4227260), (485, 3939632), (565, 3381808), (776, 2462270), (904, 2113630), (970, 1969816), (1130, 1690904), (1552, 1231135), (1808, 1056815), (1940, 984908), (2179, 876880), (2260, 845452), (3880, 492454), (4358, 438440), (4520, 422726), (7760, 246227), (8716, 219220), (9040, 211363), (10895, 175376), (10961, 174320), (17432, 109610), (21790, 87688), (21922, 87160), (34864, 54805), (43580, 43844)]