1949720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 4449600

約数和(自身を除く): 2499880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 617, 632, 790, 1234, 1580, 2468, 3085, 3160, 4936, 6170, 12340, 24680, 48743, 97486, 194972, 243715, 389944, 487430, 974860, 1949720]

約数ペア:

[(1, 1949720), (2, 974860), (4, 487430), (5, 389944), (8, 243715), (10, 194972), (20, 97486), (40, 48743), (79, 24680), (158, 12340), (316, 6170), (395, 4936), (617, 3160), (632, 3085), (790, 2468), (1234, 1580)]