11720150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 72

約数和(自身を含む): 25188120

約数和(自身を除く): 13467970

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 73, 95, 130, 146, 169, 190, 247, 325, 338, 365, 475, 494, 650, 730, 845, 949, 950, 1235, 1387, 1690, 1825, 1898, 2470, 2774, 3211, 3650, 4225, 4745, 6175, 6422, 6935, 8450, 9490, 12337, 12350, 13870, 16055, 18031, 23725, 24674, 32110, 34675, 36062, 47450, 61685, 69350, 80275, 90155, 123370, 160550, 180310, 234403, 308425, 450775, 468806, 616850, 901550, 1172015, 2344030, 5860075, 11720150]

約数ペア:

[(1, 11720150), (2, 5860075), (5, 2344030), (10, 1172015), (13, 901550), (19, 616850), (25, 468806), (26, 450775), (38, 308425), (50, 234403), (65, 180310), (73, 160550), (95, 123370), (130, 90155), (146, 80275), (169, 69350), (190, 61685), (247, 47450), (325, 36062), (338, 34675), (365, 32110), (475, 24674), (494, 23725), (650, 18031), (730, 16055), (845, 13870), (949, 12350), (950, 12337), (1235, 9490), (1387, 8450), (1690, 6935), (1825, 6422), (1898, 6175), (2470, 4745), (2774, 4225), (3211, 3650)]