7854340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1777}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 18818352

約数和(自身を除く): 10964012

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 1777, 2210, 3554, 4420, 7108, 8885, 17770, 23101, 30209, 35540, 46202, 60418, 92404, 115505, 120836, 151045, 231010, 302090, 392717, 462020, 604180, 785434, 1570868, 1963585, 3927170, 7854340]

約数ペア:

[(1, 7854340), (2, 3927170), (4, 1963585), (5, 1570868), (10, 785434), (13, 604180), (17, 462020), (20, 392717), (26, 302090), (34, 231010), (52, 151045), (65, 120836), (68, 115505), (85, 92404), (130, 60418), (170, 46202), (221, 35540), (260, 30209), (340, 23101), (442, 17770), (884, 8885), (1105, 7108), (1777, 4420), (2210, 3554)]