974780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 2249856

約数和(自身を除く): 1275076

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 61, 68, 85, 94, 122, 170, 188, 235, 244, 305, 340, 470, 610, 799, 940, 1037, 1220, 1598, 2074, 2867, 3196, 3995, 4148, 5185, 5734, 7990, 10370, 11468, 14335, 15980, 20740, 28670, 48739, 57340, 97478, 194956, 243695, 487390, 974780]

約数ペア:

[(1, 974780), (2, 487390), (4, 243695), (5, 194956), (10, 97478), (17, 57340), (20, 48739), (34, 28670), (47, 20740), (61, 15980), (68, 14335), (85, 11468), (94, 10370), (122, 7990), (170, 5734), (188, 5185), (235, 4148), (244, 3995), (305, 3196), (340, 2867), (470, 2074), (610, 1598), (799, 1220), (940, 1037)]