38993780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1249}}^1$

素因数の和:1488

約数の個数: 48

約数和(自身を含む): 94080000

約数和(自身を除く): 55086220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1249, 1561, 2230, 2498, 3122, 4460, 4996, 6244, 6245, 7805, 8743, 12490, 15610, 17486, 24980, 31220, 34972, 43715, 87430, 174860, 278527, 557054, 1114108, 1392635, 1949689, 2785270, 3899378, 5570540, 7798756, 9748445, 19496890, 38993780]

約数ペア:

[(1, 38993780), (2, 19496890), (4, 9748445), (5, 7798756), (7, 5570540), (10, 3899378), (14, 2785270), (20, 1949689), (28, 1392635), (35, 1114108), (70, 557054), (140, 278527), (223, 174860), (446, 87430), (892, 43715), (1115, 34972), (1249, 31220), (1561, 24980), (2230, 17486), (2498, 15610), (3122, 12490), (4460, 8743), (4996, 7805), (6244, 6245)]