128375210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{827}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 249850656

約数和(自身を除く): 121475446

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 361, 430, 722, 817, 827, 1634, 1654, 1805, 3610, 4085, 4135, 8170, 8270, 15523, 15713, 31046, 31426, 35561, 71122, 77615, 78565, 155230, 157130, 177805, 298547, 355610, 597094, 675659, 1351318, 1492735, 2985470, 3378295, 6756590, 12837521, 25675042, 64187605, 128375210]

約数ペア:

[(1, 128375210), (2, 64187605), (5, 25675042), (10, 12837521), (19, 6756590), (38, 3378295), (43, 2985470), (86, 1492735), (95, 1351318), (190, 675659), (215, 597094), (361, 355610), (430, 298547), (722, 177805), (817, 157130), (827, 155230), (1634, 78565), (1654, 77615), (1805, 71122), (3610, 35561), (4085, 31426), (4135, 31046), (8170, 15713), (8270, 15523)]