2481390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 6552000

約数和(自身を除く): 4070610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 349, 395, 474, 698, 711, 790, 1047, 1185, 1422, 1745, 2094, 2370, 3141, 3490, 3555, 5235, 6282, 7110, 10470, 15705, 27571, 31410, 55142, 82713, 137855, 165426, 248139, 275710, 413565, 496278, 827130, 1240695, 2481390]

約数ペア:

[(1, 2481390), (2, 1240695), (3, 827130), (5, 496278), (6, 413565), (9, 275710), (10, 248139), (15, 165426), (18, 137855), (30, 82713), (45, 55142), (79, 31410), (90, 27571), (158, 15705), (237, 10470), (349, 7110), (395, 6282), (474, 5235), (698, 3555), (711, 3490), (790, 3141), (1047, 2370), (1185, 2094), (1422, 1745)]