7908340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 18345600

約数和(自身を除く): 10437260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 349, 412, 515, 698, 1030, 1133, 1396, 1745, 2060, 2266, 3490, 3839, 4532, 5665, 6980, 7678, 11330, 15356, 19195, 22660, 35947, 38390, 71894, 76780, 143788, 179735, 359470, 395417, 718940, 790834, 1581668, 1977085, 3954170, 7908340]

約数ペア:

[(1, 7908340), (2, 3954170), (4, 1977085), (5, 1581668), (10, 790834), (11, 718940), (20, 395417), (22, 359470), (44, 179735), (55, 143788), (103, 76780), (110, 71894), (206, 38390), (220, 35947), (349, 22660), (412, 19195), (515, 15356), (698, 11330), (1030, 7678), (1133, 6980), (1396, 5665), (1745, 4532), (2060, 3839), (2266, 3490)]