7440220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 16813440

約数和(自身を除く): 9373220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 277, 316, 340, 395, 554, 790, 1108, 1343, 1385, 1580, 2686, 2770, 4709, 5372, 5540, 6715, 9418, 13430, 18836, 21883, 23545, 26860, 43766, 47090, 87532, 94180, 109415, 218830, 372011, 437660, 744022, 1488044, 1860055, 3720110, 7440220]

約数ペア:

[(1, 7440220), (2, 3720110), (4, 1860055), (5, 1488044), (10, 744022), (17, 437660), (20, 372011), (34, 218830), (68, 109415), (79, 94180), (85, 87532), (158, 47090), (170, 43766), (277, 26860), (316, 23545), (340, 21883), (395, 18836), (554, 13430), (790, 9418), (1108, 6715), (1343, 5540), (1385, 5372), (1580, 4709), (2686, 2770)]