78397660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{773}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 180224352

約数和(自身を除く): 101826692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 461, 773, 922, 1546, 1844, 2305, 3092, 3865, 4610, 5071, 7730, 8503, 9220, 10142, 15460, 17006, 20284, 25355, 34012, 42515, 50710, 85030, 101420, 170060, 356353, 712706, 1425412, 1781765, 3563530, 3919883, 7127060, 7839766, 15679532, 19599415, 39198830, 78397660]

約数ペア:

[(1, 78397660), (2, 39198830), (4, 19599415), (5, 15679532), (10, 7839766), (11, 7127060), (20, 3919883), (22, 3563530), (44, 1781765), (55, 1425412), (110, 712706), (220, 356353), (461, 170060), (773, 101420), (922, 85030), (1546, 50710), (1844, 42515), (2305, 34012), (3092, 25355), (3865, 20284), (4610, 17006), (5071, 15460), (7730, 10142), (8503, 9220)]