173208940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{4513}}^1$

素因数の和:4642

約数の個数: 48

約数和(自身を含む): 386759520

約数和(自身を除く): 213550580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1919, 2020, 3838, 4513, 7676, 9026, 9595, 18052, 19190, 22565, 38380, 45130, 85747, 90260, 171494, 342988, 428735, 455813, 857470, 911626, 1714940, 1823252, 2279065, 4558130, 8660447, 9116260, 17320894, 34641788, 43302235, 86604470, 173208940]

約数ペア:

[(1, 173208940), (2, 86604470), (4, 43302235), (5, 34641788), (10, 17320894), (19, 9116260), (20, 8660447), (38, 4558130), (76, 2279065), (95, 1823252), (101, 1714940), (190, 911626), (202, 857470), (380, 455813), (404, 428735), (505, 342988), (1010, 171494), (1919, 90260), (2020, 85747), (3838, 45130), (4513, 38380), (7676, 22565), (9026, 19190), (9595, 18052)]