390453580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{21383}}^1$

素因数の和:21486

約数の個数: 48

約数和(自身を含む): 905313024

約数和(自身を除く): 514859444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1660, 1826, 3652, 4565, 9130, 18260, 21383, 42766, 85532, 106915, 213830, 235213, 427660, 470426, 940852, 1176065, 1774789, 2352130, 3549578, 4704260, 7099156, 8873945, 17747890, 19522679, 35495780, 39045358, 78090716, 97613395, 195226790, 390453580]

約数ペア:

[(1, 390453580), (2, 195226790), (4, 97613395), (5, 78090716), (10, 39045358), (11, 35495780), (20, 19522679), (22, 17747890), (44, 8873945), (55, 7099156), (83, 4704260), (110, 3549578), (166, 2352130), (220, 1774789), (332, 1176065), (415, 940852), (830, 470426), (913, 427660), (1660, 235213), (1826, 213830), (3652, 106915), (4565, 85532), (9130, 42766), (18260, 21383)]