27890310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{18973}}^1$

素因数の和:18997

約数の個数: 48

約数和(自身を含む): 77869296

約数和(自身を除く): 49978986

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 18973, 37946, 56919, 94865, 113838, 132811, 189730, 265622, 284595, 398433, 569190, 664055, 796866, 929677, 1328110, 1859354, 1992165, 2789031, 3984330, 4648385, 5578062, 9296770, 13945155, 27890310]

約数ペア:

[(1, 27890310), (2, 13945155), (3, 9296770), (5, 5578062), (6, 4648385), (7, 3984330), (10, 2789031), (14, 1992165), (15, 1859354), (21, 1328110), (30, 929677), (35, 796866), (42, 664055), (49, 569190), (70, 398433), (98, 284595), (105, 265622), (147, 189730), (210, 132811), (245, 113838), (294, 94865), (490, 56919), (735, 37946), (1470, 18973)]