219995856

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:561

約数の個数: 120

約数和(自身を含む): 643188000

約数和(自身を除く): 423192144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 139, 144, 174, 232, 261, 278, 348, 379, 417, 464, 522, 556, 696, 758, 834, 1044, 1112, 1137, 1251, 1392, 1516, 1668, 2088, 2224, 2274, 2502, 3032, 3336, 3411, 4031, 4176, 4548, 5004, 6064, 6672, 6822, 8062, 9096, 10008, 10991, 12093, 13644, 16124, 18192, 20016, 21982, 24186, 27288, 32248, 32973, 36279, 43964, 48372, 52681, 54576, 64496, 65946, 72558, 87928, 96744, 98919, 105362, 131892, 145116, 158043, 175856, 193488, 197838, 210724, 263784, 290232, 316086, 395676, 421448, 474129, 527568, 580464, 632172, 791352, 842896, 948258, 1264344, 1527749, 1582704, 1896516, 2528688, 3055498, 3793032, 4583247, 6110996, 7586064, 9166494, 12221992, 13749741, 18332988, 24443984, 27499482, 36665976, 54998964, 73331952, 109997928, 219995856]

約数ペア:

[(1, 219995856), (2, 109997928), (3, 73331952), (4, 54998964), (6, 36665976), (8, 27499482), (9, 24443984), (12, 18332988), (16, 13749741), (18, 12221992), (24, 9166494), (29, 7586064), (36, 6110996), (48, 4583247), (58, 3793032), (72, 3055498), (87, 2528688), (116, 1896516), (139, 1582704), (144, 1527749), (174, 1264344), (232, 948258), (261, 842896), (278, 791352), (348, 632172), (379, 580464), (417, 527568), (464, 474129), (522, 421448), (556, 395676), (696, 316086), (758, 290232), (834, 263784), (1044, 210724), (1112, 197838), (1137, 193488), (1251, 175856), (1392, 158043), (1516, 145116), (1668, 131892), (2088, 105362), (2224, 98919), (2274, 96744), (2502, 87928), (3032, 72558), (3336, 65946), (3411, 64496), (4031, 54576), (4176, 52681), (4548, 48372), (5004, 43964), (6064, 36279), (6672, 32973), (6822, 32248), (8062, 27288), (9096, 24186), (10008, 21982), (10991, 20016), (12093, 18192), (13644, 16124)]