9121945220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1\times {\mathrm{1009}}^1$

素因数の和:1717

約数の個数: 96

約数和(自身を含む): 20762044800

約数和(自身を除く): 11640099580

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 643, 703, 740, 1009, 1286, 1406, 2018, 2572, 2812, 3215, 3515, 4036, 5045, 6430, 7030, 10090, 12217, 12860, 14060, 19171, 20180, 23791, 24434, 37333, 38342, 47582, 48868, 61085, 74666, 76684, 95164, 95855, 118955, 122170, 149332, 186665, 191710, 237910, 244340, 373330, 383420, 452029, 475820, 648787, 709327, 746660, 904058, 1297574, 1418654, 1808116, 2260145, 2595148, 2837308, 3243935, 3546635, 4520290, 6487870, 7093270, 9040580, 12326953, 12975740, 14186540, 24005119, 24653906, 48010238, 49307812, 61634765, 96020476, 120025595, 123269530, 240051190, 246539060, 456097261, 480102380, 912194522, 1824389044, 2280486305, 4560972610, 9121945220]

約数ペア:

[(1, 9121945220), (2, 4560972610), (4, 2280486305), (5, 1824389044), (10, 912194522), (19, 480102380), (20, 456097261), (37, 246539060), (38, 240051190), (74, 123269530), (76, 120025595), (95, 96020476), (148, 61634765), (185, 49307812), (190, 48010238), (370, 24653906), (380, 24005119), (643, 14186540), (703, 12975740), (740, 12326953), (1009, 9040580), (1286, 7093270), (1406, 6487870), (2018, 4520290), (2572, 3546635), (2812, 3243935), (3215, 2837308), (3515, 2595148), (4036, 2260145), (5045, 1808116), (6430, 1418654), (7030, 1297574), (10090, 904058), (12217, 746660), (12860, 709327), (14060, 648787), (19171, 475820), (20180, 452029), (23791, 383420), (24434, 373330), (37333, 244340), (38342, 237910), (47582, 191710), (48868, 186665), (61085, 149332), (74666, 122170), (76684, 118955), (95164, 95855)]