105428740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{839}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 227485440

約数和(自身を除く): 122056700

約数列:

[1, 2, 4, 5, 10, 20, 61, 103, 122, 206, 244, 305, 412, 515, 610, 839, 1030, 1220, 1678, 2060, 3356, 4195, 6283, 8390, 12566, 16780, 25132, 31415, 51179, 62830, 86417, 102358, 125660, 172834, 204716, 255895, 345668, 432085, 511790, 864170, 1023580, 1728340, 5271437, 10542874, 21085748, 26357185, 52714370, 105428740]

約数ペア:

[(1, 105428740), (2, 52714370), (4, 26357185), (5, 21085748), (10, 10542874), (20, 5271437), (61, 1728340), (103, 1023580), (122, 864170), (206, 511790), (244, 432085), (305, 345668), (412, 255895), (515, 204716), (610, 172834), (839, 125660), (1030, 102358), (1220, 86417), (1678, 62830), (2060, 51179), (3356, 31415), (4195, 25132), (6283, 16780), (8390, 12566)]