202121480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3083}}^1$

素因数の和:3254

約数の個数: 64

約数和(自身を含む): 499608000

約数和(自身を除く): 297486520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 298, 440, 596, 745, 1192, 1490, 1639, 2980, 3083, 3278, 5960, 6166, 6556, 8195, 12332, 13112, 15415, 16390, 24664, 30830, 32780, 33913, 61660, 65560, 67826, 123320, 135652, 169565, 271304, 339130, 459367, 678260, 918734, 1356520, 1837468, 2296835, 3674936, 4593670, 5053037, 9187340, 10106074, 18374680, 20212148, 25265185, 40424296, 50530370, 101060740, 202121480]

約数ペア:

[(1, 202121480), (2, 101060740), (4, 50530370), (5, 40424296), (8, 25265185), (10, 20212148), (11, 18374680), (20, 10106074), (22, 9187340), (40, 5053037), (44, 4593670), (55, 3674936), (88, 2296835), (110, 1837468), (149, 1356520), (220, 918734), (298, 678260), (440, 459367), (596, 339130), (745, 271304), (1192, 169565), (1490, 135652), (1639, 123320), (2980, 67826), (3083, 65560), (3278, 61660), (5960, 33913), (6166, 32780), (6556, 30830), (8195, 24664), (12332, 16390), (13112, 15415)]