840148925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{25673}}^1$

素因数の和:25718

約数の個数: 48

約数和(自身を含む): 1375304832

約数和(自身を除く): 535155907

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 77, 85, 119, 175, 187, 275, 385, 425, 595, 935, 1309, 1925, 2975, 4675, 6545, 25673, 32725, 128365, 179711, 282403, 436441, 641825, 898555, 1412015, 1976821, 2182205, 3055087, 4492775, 4800851, 7060075, 9884105, 10911025, 15275435, 24004255, 33605957, 49420525, 76377175, 120021275, 168029785, 840148925]

約数ペア:

[(1, 840148925), (5, 168029785), (7, 120021275), (11, 76377175), (17, 49420525), (25, 33605957), (35, 24004255), (55, 15275435), (77, 10911025), (85, 9884105), (119, 7060075), (175, 4800851), (187, 4492775), (275, 3055087), (385, 2182205), (425, 1976821), (595, 1412015), (935, 898555), (1309, 641825), (1925, 436441), (2975, 282403), (4675, 179711), (6545, 128365), (25673, 32725)]