18712400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:229

約数の個数: 120

約数和(自身を含む): 52954944

約数和(自身を除く): 34242544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 41, 50, 56, 70, 80, 82, 100, 112, 140, 163, 164, 175, 200, 205, 280, 287, 326, 328, 350, 400, 410, 560, 574, 652, 656, 700, 815, 820, 1025, 1141, 1148, 1304, 1400, 1435, 1630, 1640, 2050, 2282, 2296, 2608, 2800, 2870, 3260, 3280, 4075, 4100, 4564, 4592, 5705, 5740, 6520, 6683, 7175, 8150, 8200, 9128, 11410, 11480, 13040, 13366, 14350, 16300, 16400, 18256, 22820, 22960, 26732, 28525, 28700, 32600, 33415, 45640, 46781, 53464, 57050, 57400, 65200, 66830, 91280, 93562, 106928, 114100, 114800, 133660, 167075, 187124, 228200, 233905, 267320, 334150, 374248, 456400, 467810, 534640, 668300, 748496, 935620, 1169525, 1336600, 1871240, 2339050, 2673200, 3742480, 4678100, 9356200, 18712400]

約数ペア:

[(1, 18712400), (2, 9356200), (4, 4678100), (5, 3742480), (7, 2673200), (8, 2339050), (10, 1871240), (14, 1336600), (16, 1169525), (20, 935620), (25, 748496), (28, 668300), (35, 534640), (40, 467810), (41, 456400), (50, 374248), (56, 334150), (70, 267320), (80, 233905), (82, 228200), (100, 187124), (112, 167075), (140, 133660), (163, 114800), (164, 114100), (175, 106928), (200, 93562), (205, 91280), (280, 66830), (287, 65200), (326, 57400), (328, 57050), (350, 53464), (400, 46781), (410, 45640), (560, 33415), (574, 32600), (652, 28700), (656, 28525), (700, 26732), (815, 22960), (820, 22820), (1025, 18256), (1141, 16400), (1148, 16300), (1304, 14350), (1400, 13366), (1435, 13040), (1630, 11480), (1640, 11410), (2050, 9128), (2282, 8200), (2296, 8150), (2608, 7175), (2800, 6683), (2870, 6520), (3260, 5740), (3280, 5705), (4075, 4592), (4100, 4564)]