397540980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{736187}}^1$

素因数の和:736205

約数の個数: 48

約数和(自身を含む): 1236795840

約数和(自身を除く): 839254860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 736187, 1472374, 2208561, 2944748, 3680935, 4417122, 6625683, 7361870, 8834244, 11042805, 13251366, 14723740, 19877049, 22085610, 26502732, 33128415, 39754098, 44171220, 66256830, 79508196, 99385245, 132513660, 198770490, 397540980]

約数ペア:

[(1, 397540980), (2, 198770490), (3, 132513660), (4, 99385245), (5, 79508196), (6, 66256830), (9, 44171220), (10, 39754098), (12, 33128415), (15, 26502732), (18, 22085610), (20, 19877049), (27, 14723740), (30, 13251366), (36, 11042805), (45, 8834244), (54, 7361870), (60, 6625683), (90, 4417122), (108, 3680935), (135, 2944748), (180, 2208561), (270, 1472374), (540, 736187)]