About the Number
221405820
2進数表記:1101001100100110001001111100
漢数字表記:二億二千百四十万五千八百二十
素因数分解:
素因数の和:2051
約数の個数: 96
約数和(自身を含む): 655022592
約数和(自身を除く): 433616772
約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 83, 92, 115, 138, 166, 230, 249, 276, 332, 345, 415, 460, 498, 690, 830, 996, 1245, 1380, 1660, 1909, 1933, 2490, 3818, 3866, 4980, 5727, 5799, 7636, 7732, 9545, 9665, 11454, 11598, 19090, 19330, 22908, 23196, 28635, 28995, 38180, 38660, 44459, 57270, 57990, 88918, 114540, 115980, 133377, 160439, 177836, 222295, 266754, 320878, 444590, 481317, 533508, 641756, 666885, 802195, 889180, 962634, 1333770, 1604390, 1925268, 2406585, 2667540, 3208780, 3690097, 4813170, 7380194, 9626340, 11070291, 14760388, 18450485, 22140582, 36900970, 44281164, 55351455, 73801940, 110702910, 221405820]
約数ペア:
[(1, 221405820), (2, 110702910), (3, 73801940), (4, 55351455), (5, 44281164), (6, 36900970), (10, 22140582), (12, 18450485), (15, 14760388), (20, 11070291), (23, 9626340), (30, 7380194), (46, 4813170), (60, 3690097), (69, 3208780), (83, 2667540), (92, 2406585), (115, 1925268), (138, 1604390), (166, 1333770), (230, 962634), (249, 889180), (276, 802195), (332, 666885), (345, 641756), (415, 533508), (460, 481317), (498, 444590), (690, 320878), (830, 266754), (996, 222295), (1245, 177836), (1380, 160439), (1660, 133377), (1909, 115980), (1933, 114540), (2490, 88918), (3818, 57990), (3866, 57270), (4980, 44459), (5727, 38660), (5799, 38180), (7636, 28995), (7732, 28635), (9545, 23196), (9665, 22908), (11454, 19330), (11598, 19090)]このpageの処理時間: 0.0072290897369384766 seconds