309766900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 688705920

約数和(自身を除く): 378939020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 113, 158, 226, 316, 347, 395, 452, 565, 694, 790, 1130, 1388, 1580, 1735, 1975, 2260, 2825, 3470, 3950, 5650, 6940, 7900, 8675, 8927, 11300, 17350, 17854, 27413, 34700, 35708, 39211, 44635, 54826, 78422, 89270, 109652, 137065, 156844, 178540, 196055, 223175, 274130, 392110, 446350, 548260, 685325, 784220, 892700, 980275, 1370650, 1960550, 2741300, 3097669, 3921100, 6195338, 12390676, 15488345, 30976690, 61953380, 77441725, 154883450, 309766900]

約数ペア:

[(1, 309766900), (2, 154883450), (4, 77441725), (5, 61953380), (10, 30976690), (20, 15488345), (25, 12390676), (50, 6195338), (79, 3921100), (100, 3097669), (113, 2741300), (158, 1960550), (226, 1370650), (316, 980275), (347, 892700), (395, 784220), (452, 685325), (565, 548260), (694, 446350), (790, 392110), (1130, 274130), (1388, 223175), (1580, 196055), (1735, 178540), (1975, 156844), (2260, 137065), (2825, 109652), (3470, 89270), (3950, 78422), (5650, 54826), (6940, 44635), (7900, 39211), (8675, 35708), (8927, 34700), (11300, 27413), (17350, 17854)]