218595320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{1063}}^1$

素因数の和:1224

約数の個数: 64

約数和(自身を含む): 506761920

約数和(自身を除く): 288166600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 97, 106, 194, 212, 265, 388, 424, 485, 530, 776, 970, 1060, 1063, 1940, 2120, 2126, 3880, 4252, 5141, 5315, 8504, 10282, 10630, 20564, 21260, 25705, 41128, 42520, 51410, 56339, 102820, 103111, 112678, 205640, 206222, 225356, 281695, 412444, 450712, 515555, 563390, 824888, 1031110, 1126780, 2062220, 2253560, 4124440, 5464883, 10929766, 21859532, 27324415, 43719064, 54648830, 109297660, 218595320]

約数ペア:

[(1, 218595320), (2, 109297660), (4, 54648830), (5, 43719064), (8, 27324415), (10, 21859532), (20, 10929766), (40, 5464883), (53, 4124440), (97, 2253560), (106, 2062220), (194, 1126780), (212, 1031110), (265, 824888), (388, 563390), (424, 515555), (485, 450712), (530, 412444), (776, 281695), (970, 225356), (1060, 206222), (1063, 205640), (1940, 112678), (2120, 103111), (2126, 102820), (3880, 56339), (4252, 51410), (5141, 42520), (5315, 41128), (8504, 25705), (10282, 21260), (10630, 20564)]