8708953220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{156467}}^1$

素因数の和:156521

約数の個数: 72

約数和(自身を含む): 20976725952

約数和(自身を除く): 12267772732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 2420, 2530, 2783, 5060, 5566, 11132, 13915, 27830, 55660, 156467, 312934, 625868, 782335, 1564670, 1721137, 3129340, 3442274, 3598741, 6884548, 7197482, 8605685, 14394964, 17211370, 17993705, 18932507, 34422740, 35987410, 37865014, 39586151, 71974820, 75730028, 79172302, 94662535, 158344604, 189325070, 197930755, 378650140, 395861510, 435447661, 791723020, 870895322, 1741790644, 2177238305, 4354476610, 8708953220]

約数ペア:

[(1, 8708953220), (2, 4354476610), (4, 2177238305), (5, 1741790644), (10, 870895322), (11, 791723020), (20, 435447661), (22, 395861510), (23, 378650140), (44, 197930755), (46, 189325070), (55, 158344604), (92, 94662535), (110, 79172302), (115, 75730028), (121, 71974820), (220, 39586151), (230, 37865014), (242, 35987410), (253, 34422740), (460, 18932507), (484, 17993705), (506, 17211370), (605, 14394964), (1012, 8605685), (1210, 7197482), (1265, 6884548), (2420, 3598741), (2530, 3442274), (2783, 3129340), (5060, 1721137), (5566, 1564670), (11132, 782335), (13915, 625868), (27830, 312934), (55660, 156467)]