228538240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:532

約数の個数: 128

約数和(自身を含む): 630604800

約数和(自身を除く): 402066560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 139, 140, 160, 224, 278, 280, 320, 367, 448, 556, 560, 640, 695, 734, 896, 973, 1112, 1120, 1390, 1468, 1835, 1946, 2224, 2240, 2569, 2780, 2936, 3670, 3892, 4448, 4480, 4865, 5138, 5560, 5872, 7340, 7784, 8896, 9730, 10276, 11120, 11744, 12845, 14680, 15568, 17792, 19460, 20552, 22240, 23488, 25690, 29360, 31136, 38920, 41104, 44480, 46976, 51013, 51380, 58720, 62272, 77840, 82208, 88960, 102026, 102760, 117440, 124544, 155680, 164416, 204052, 205520, 234880, 255065, 311360, 328832, 357091, 408104, 411040, 510130, 622720, 714182, 816208, 822080, 1020260, 1428364, 1632416, 1644160, 1785455, 2040520, 2856728, 3264832, 3570910, 4081040, 5713456, 6529664, 7141820, 8162080, 11426912, 14283640, 16324160, 22853824, 28567280, 32648320, 45707648, 57134560, 114269120, 228538240]

約数ペア:

[(1, 228538240), (2, 114269120), (4, 57134560), (5, 45707648), (7, 32648320), (8, 28567280), (10, 22853824), (14, 16324160), (16, 14283640), (20, 11426912), (28, 8162080), (32, 7141820), (35, 6529664), (40, 5713456), (56, 4081040), (64, 3570910), (70, 3264832), (80, 2856728), (112, 2040520), (128, 1785455), (139, 1644160), (140, 1632416), (160, 1428364), (224, 1020260), (278, 822080), (280, 816208), (320, 714182), (367, 622720), (448, 510130), (556, 411040), (560, 408104), (640, 357091), (695, 328832), (734, 311360), (896, 255065), (973, 234880), (1112, 205520), (1120, 204052), (1390, 164416), (1468, 155680), (1835, 124544), (1946, 117440), (2224, 102760), (2240, 102026), (2569, 88960), (2780, 82208), (2936, 77840), (3670, 62272), (3892, 58720), (4448, 51380), (4480, 51013), (4865, 46976), (5138, 44480), (5560, 41104), (5872, 38920), (7340, 31136), (7784, 29360), (8896, 25690), (9730, 23488), (10276, 22240), (11120, 20552), (11744, 19460), (12845, 17792), (14680, 15568)]