209978712

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{857}}^1$

素因数の和:993

約数の個数: 96

約数和(自身を含む): 590269680

約数和(自身を除く): 380290968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 83, 123, 164, 166, 246, 249, 328, 332, 369, 492, 498, 664, 738, 747, 857, 984, 996, 1476, 1494, 1714, 1992, 2571, 2952, 2988, 3403, 3428, 5142, 5976, 6806, 6856, 7713, 10209, 10284, 13612, 15426, 20418, 20568, 27224, 30627, 30852, 35137, 40836, 61254, 61704, 70274, 71131, 81672, 105411, 122508, 140548, 142262, 210822, 213393, 245016, 281096, 284524, 316233, 421644, 426786, 569048, 632466, 640179, 843288, 853572, 1264932, 1280358, 1707144, 2529864, 2560716, 2916371, 5121432, 5832742, 8749113, 11665484, 17498226, 23330968, 26247339, 34996452, 52494678, 69992904, 104989356, 209978712]

約数ペア:

[(1, 209978712), (2, 104989356), (3, 69992904), (4, 52494678), (6, 34996452), (8, 26247339), (9, 23330968), (12, 17498226), (18, 11665484), (24, 8749113), (36, 5832742), (41, 5121432), (72, 2916371), (82, 2560716), (83, 2529864), (123, 1707144), (164, 1280358), (166, 1264932), (246, 853572), (249, 843288), (328, 640179), (332, 632466), (369, 569048), (492, 426786), (498, 421644), (664, 316233), (738, 284524), (747, 281096), (857, 245016), (984, 213393), (996, 210822), (1476, 142262), (1494, 140548), (1714, 122508), (1992, 105411), (2571, 81672), (2952, 71131), (2988, 70274), (3403, 61704), (3428, 61254), (5142, 40836), (5976, 35137), (6806, 30852), (6856, 30627), (7713, 27224), (10209, 20568), (10284, 20418), (13612, 15426)]