7950220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 17992800

約数和(自身を除く): 10042580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 349, 670, 698, 1139, 1340, 1396, 1745, 2278, 3490, 4556, 5695, 5933, 6980, 11390, 11866, 22780, 23383, 23732, 29665, 46766, 59330, 93532, 116915, 118660, 233830, 397511, 467660, 795022, 1590044, 1987555, 3975110, 7950220]

約数ペア:

[(1, 7950220), (2, 3975110), (4, 1987555), (5, 1590044), (10, 795022), (17, 467660), (20, 397511), (34, 233830), (67, 118660), (68, 116915), (85, 93532), (134, 59330), (170, 46766), (268, 29665), (335, 23732), (340, 23383), (349, 22780), (670, 11866), (698, 11390), (1139, 6980), (1340, 5933), (1396, 5695), (1745, 4556), (2278, 3490)]