280014084

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{331}}^1\times {\mathrm{373}}^1$

素因数の和:727

約数の個数: 120

約数和(自身を含む): 841362368

約数和(自身を除く): 561348284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 331, 373, 378, 567, 662, 746, 756, 993, 1119, 1134, 1324, 1492, 1986, 2238, 2268, 2317, 2611, 2979, 3357, 3972, 4476, 4634, 5222, 5958, 6714, 6951, 7833, 8937, 9268, 10071, 10444, 11916, 13428, 13902, 15666, 17874, 20142, 20853, 23499, 26811, 27804, 30213, 31332, 35748, 40284, 41706, 46998, 53622, 60426, 62559, 70497, 83412, 93996, 107244, 120852, 123463, 125118, 140994, 187677, 211491, 246926, 250236, 281988, 370389, 375354, 422982, 493852, 740778, 750708, 845964, 864241, 1111167, 1481556, 1728482, 2222334, 2592723, 3333501, 3456964, 4444668, 5185446, 6667002, 7778169, 10000503, 10370892, 13334004, 15556338, 20001006, 23334507, 31112676, 40002012, 46669014, 70003521, 93338028, 140007042, 280014084]

約数ペア:

[(1, 280014084), (2, 140007042), (3, 93338028), (4, 70003521), (6, 46669014), (7, 40002012), (9, 31112676), (12, 23334507), (14, 20001006), (18, 15556338), (21, 13334004), (27, 10370892), (28, 10000503), (36, 7778169), (42, 6667002), (54, 5185446), (63, 4444668), (81, 3456964), (84, 3333501), (108, 2592723), (126, 2222334), (162, 1728482), (189, 1481556), (252, 1111167), (324, 864241), (331, 845964), (373, 750708), (378, 740778), (567, 493852), (662, 422982), (746, 375354), (756, 370389), (993, 281988), (1119, 250236), (1134, 246926), (1324, 211491), (1492, 187677), (1986, 140994), (2238, 125118), (2268, 123463), (2317, 120852), (2611, 107244), (2979, 93996), (3357, 83412), (3972, 70497), (4476, 62559), (4634, 60426), (5222, 53622), (5958, 46998), (6714, 41706), (6951, 40284), (7833, 35748), (8937, 31332), (9268, 30213), (10071, 27804), (10444, 26811), (11916, 23499), (13428, 20853), (13902, 20142), (15666, 17874)]