413876620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{4019}}^1$

素因数の和:4318

約数の個数: 48

約数和(自身を含む): 918489600

約数和(自身を除く): 504612980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 271, 380, 542, 1084, 1355, 2710, 4019, 5149, 5420, 8038, 10298, 16076, 20095, 20596, 25745, 40190, 51490, 76361, 80380, 102980, 152722, 305444, 381805, 763610, 1089149, 1527220, 2178298, 4356596, 5445745, 10891490, 20693831, 21782980, 41387662, 82775324, 103469155, 206938310, 413876620]

約数ペア:

[(1, 413876620), (2, 206938310), (4, 103469155), (5, 82775324), (10, 41387662), (19, 21782980), (20, 20693831), (38, 10891490), (76, 5445745), (95, 4356596), (190, 2178298), (271, 1527220), (380, 1089149), (542, 763610), (1084, 381805), (1355, 305444), (2710, 152722), (4019, 102980), (5149, 80380), (5420, 76361), (8038, 51490), (10298, 40190), (16076, 25745), (20095, 20596)]