974220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 2940000

約数和(自身を除く): 1965780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1249, 2498, 3747, 4996, 6245, 7494, 12490, 14988, 16237, 18735, 24980, 32474, 37470, 48711, 64948, 74940, 81185, 97422, 162370, 194844, 243555, 324740, 487110, 974220]

約数ペア:

[(1, 974220), (2, 487110), (3, 324740), (4, 243555), (5, 194844), (6, 162370), (10, 97422), (12, 81185), (13, 74940), (15, 64948), (20, 48711), (26, 37470), (30, 32474), (39, 24980), (52, 18735), (60, 16237), (65, 14988), (78, 12490), (130, 7494), (156, 6245), (195, 4996), (260, 3747), (390, 2498), (780, 1249)]