28762860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68483}}^1$

素因数の和:68502

約数の個数: 48

約数和(自身を含む): 92042496

約数和(自身を除く): 63279636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 68483, 136966, 205449, 273932, 342415, 410898, 479381, 684830, 821796, 958762, 1027245, 1369660, 1438143, 1917524, 2054490, 2396905, 2876286, 4108980, 4793810, 5752572, 7190715, 9587620, 14381430, 28762860]

約数ペア:

[(1, 28762860), (2, 14381430), (3, 9587620), (4, 7190715), (5, 5752572), (6, 4793810), (7, 4108980), (10, 2876286), (12, 2396905), (14, 2054490), (15, 1917524), (20, 1438143), (21, 1369660), (28, 1027245), (30, 958762), (35, 821796), (42, 684830), (60, 479381), (70, 410898), (84, 342415), (105, 273932), (140, 205449), (210, 136966), (420, 68483)]