208934740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 518482944

約数和(自身を除く): 309548204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 113, 140, 188, 226, 235, 281, 329, 452, 470, 562, 565, 658, 791, 940, 1124, 1130, 1316, 1405, 1582, 1645, 1967, 2260, 2810, 3164, 3290, 3934, 3955, 5311, 5620, 6580, 7868, 7910, 9835, 10622, 13207, 15820, 19670, 21244, 26414, 26555, 31753, 37177, 39340, 52828, 53110, 63506, 66035, 74354, 92449, 106220, 127012, 132070, 148708, 158765, 184898, 185885, 222271, 264140, 317530, 369796, 371770, 444542, 462245, 635060, 743540, 889084, 924490, 1111355, 1492391, 1848980, 2222710, 2984782, 4445420, 5969564, 7461955, 10446737, 14923910, 20893474, 29847820, 41786948, 52233685, 104467370, 208934740]

約数ペア:

[(1, 208934740), (2, 104467370), (4, 52233685), (5, 41786948), (7, 29847820), (10, 20893474), (14, 14923910), (20, 10446737), (28, 7461955), (35, 5969564), (47, 4445420), (70, 2984782), (94, 2222710), (113, 1848980), (140, 1492391), (188, 1111355), (226, 924490), (235, 889084), (281, 743540), (329, 635060), (452, 462245), (470, 444542), (562, 371770), (565, 369796), (658, 317530), (791, 264140), (940, 222271), (1124, 185885), (1130, 184898), (1316, 158765), (1405, 148708), (1582, 132070), (1645, 127012), (1967, 106220), (2260, 92449), (2810, 74354), (3164, 66035), (3290, 63506), (3934, 53110), (3955, 52828), (5311, 39340), (5620, 37177), (6580, 31753), (7868, 26555), (7910, 26414), (9835, 21244), (10622, 19670), (13207, 15820)]