About the Number
389987388
2進数表記:10111001111101011110000111100
漢数字表記:三億八千九百九十八万七千三百八十八
素因数分解:
素因数の和:1816
約数の個数: 144
約数和(自身を含む): 1211857920
約数和(自身を除く): 821870532
約数列:
[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 47, 57, 63, 76, 84, 94, 114, 126, 133, 141, 171, 188, 228, 252, 266, 282, 329, 342, 399, 423, 532, 564, 658, 684, 798, 846, 893, 987, 1197, 1316, 1596, 1692, 1733, 1786, 1974, 2394, 2679, 2961, 3466, 3572, 3948, 4788, 5199, 5358, 5922, 6251, 6932, 8037, 10398, 10716, 11844, 12131, 12502, 15597, 16074, 18753, 20796, 24262, 25004, 31194, 32148, 32927, 36393, 37506, 48524, 56259, 62388, 65854, 72786, 75012, 81451, 98781, 109179, 112518, 131708, 145572, 162902, 197562, 218358, 225036, 230489, 244353, 296343, 325804, 395124, 436716, 460978, 488706, 570157, 592686, 691467, 733059, 921956, 977412, 1140314, 1185372, 1382934, 1466118, 1547569, 1710471, 2074401, 2280628, 2765868, 2932236, 3095138, 3420942, 4148802, 4642707, 5131413, 6190276, 6841884, 8297604, 9285414, 10262826, 10832983, 13928121, 18570828, 20525652, 21665966, 27856242, 32498949, 43331932, 55712484, 64997898, 97496847, 129995796, 194993694, 389987388]
約数ペア:
[(1, 389987388), (2, 194993694), (3, 129995796), (4, 97496847), (6, 64997898), (7, 55712484), (9, 43331932), (12, 32498949), (14, 27856242), (18, 21665966), (19, 20525652), (21, 18570828), (28, 13928121), (36, 10832983), (38, 10262826), (42, 9285414), (47, 8297604), (57, 6841884), (63, 6190276), (76, 5131413), (84, 4642707), (94, 4148802), (114, 3420942), (126, 3095138), (133, 2932236), (141, 2765868), (171, 2280628), (188, 2074401), (228, 1710471), (252, 1547569), (266, 1466118), (282, 1382934), (329, 1185372), (342, 1140314), (399, 977412), (423, 921956), (532, 733059), (564, 691467), (658, 592686), (684, 570157), (798, 488706), (846, 460978), (893, 436716), (987, 395124), (1197, 325804), (1316, 296343), (1596, 244353), (1692, 230489), (1733, 225036), (1786, 218358), (1974, 197562), (2394, 162902), (2679, 145572), (2961, 131708), (3466, 112518), (3572, 109179), (3948, 98781), (4788, 81451), (5199, 75012), (5358, 72786), (5922, 65854), (6251, 62388), (6932, 56259), (8037, 48524), (10398, 37506), (10716, 36393), (11844, 32927), (12131, 32148), (12502, 31194), (15597, 25004), (16074, 24262), (18753, 20796)]このpageの処理時間: 0.009792327880859375 seconds