342262480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4397}}^1$

素因数の和:4556

約数の個数: 80

約数和(自身を含む): 916191360

約数和(自身を除く): 573928880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1112, 1390, 1946, 2224, 2780, 3892, 4397, 4865, 5560, 7784, 8794, 9730, 11120, 15568, 17588, 19460, 21985, 30779, 35176, 38920, 43970, 61558, 70352, 77840, 87940, 123116, 153895, 175880, 246232, 307790, 351760, 492464, 611183, 615580, 1222366, 1231160, 2444732, 2462320, 3055915, 4278281, 4889464, 6111830, 8556562, 9778928, 12223660, 17113124, 21391405, 24447320, 34226248, 42782810, 48894640, 68452496, 85565620, 171131240, 342262480]

約数ペア:

[(1, 342262480), (2, 171131240), (4, 85565620), (5, 68452496), (7, 48894640), (8, 42782810), (10, 34226248), (14, 24447320), (16, 21391405), (20, 17113124), (28, 12223660), (35, 9778928), (40, 8556562), (56, 6111830), (70, 4889464), (80, 4278281), (112, 3055915), (139, 2462320), (140, 2444732), (278, 1231160), (280, 1222366), (556, 615580), (560, 611183), (695, 492464), (973, 351760), (1112, 307790), (1390, 246232), (1946, 175880), (2224, 153895), (2780, 123116), (3892, 87940), (4397, 77840), (4865, 70352), (5560, 61558), (7784, 43970), (8794, 38920), (9730, 35176), (11120, 30779), (15568, 21985), (17588, 19460)]