120511340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{857}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 259459200

約数和(自身を除く): 138947860

約数列:

[1, 2, 4, 5, 10, 20, 79, 89, 158, 178, 316, 356, 395, 445, 790, 857, 890, 1580, 1714, 1780, 3428, 4285, 7031, 8570, 14062, 17140, 28124, 35155, 67703, 70310, 76273, 135406, 140620, 152546, 270812, 305092, 338515, 381365, 677030, 762730, 1354060, 1525460, 6025567, 12051134, 24102268, 30127835, 60255670, 120511340]

約数ペア:

[(1, 120511340), (2, 60255670), (4, 30127835), (5, 24102268), (10, 12051134), (20, 6025567), (79, 1525460), (89, 1354060), (158, 762730), (178, 677030), (316, 381365), (356, 338515), (395, 305092), (445, 270812), (790, 152546), (857, 140620), (890, 135406), (1580, 76273), (1714, 70310), (1780, 67703), (3428, 35155), (4285, 28124), (7031, 17140), (8570, 14062)]