28947800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:106

約数の個数: 192

約数和(自身を含む): 85708800

約数和(自身を除く): 56761000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 29, 31, 35, 40, 46, 50, 56, 58, 62, 70, 92, 100, 115, 116, 124, 140, 145, 155, 161, 175, 184, 200, 203, 217, 230, 232, 248, 280, 290, 310, 322, 350, 406, 434, 460, 575, 580, 620, 644, 667, 700, 713, 725, 775, 805, 812, 868, 899, 920, 1015, 1085, 1150, 1160, 1240, 1288, 1334, 1400, 1426, 1450, 1550, 1610, 1624, 1736, 1798, 2030, 2170, 2300, 2668, 2852, 2900, 3100, 3220, 3335, 3565, 3596, 4025, 4060, 4340, 4495, 4600, 4669, 4991, 5075, 5336, 5425, 5704, 5800, 6200, 6293, 6440, 6670, 7130, 7192, 8050, 8120, 8680, 8990, 9338, 9982, 10150, 10850, 12586, 13340, 14260, 16100, 16675, 17825, 17980, 18676, 19964, 20300, 20677, 21700, 22475, 23345, 24955, 25172, 26680, 28520, 31465, 32200, 33350, 35650, 35960, 37352, 39928, 40600, 41354, 43400, 44950, 46690, 49910, 50344, 62930, 66700, 71300, 82708, 89900, 93380, 99820, 103385, 116725, 124775, 125860, 133400, 142600, 144739, 157325, 165416, 179800, 186760, 199640, 206770, 233450, 249550, 251720, 289478, 314650, 413540, 466900, 499100, 516925, 578956, 629300, 723695, 827080, 933800, 998200, 1033850, 1157912, 1258600, 1447390, 2067700, 2894780, 3618475, 4135400, 5789560, 7236950, 14473900, 28947800]

約数ペア:

[(1, 28947800), (2, 14473900), (4, 7236950), (5, 5789560), (7, 4135400), (8, 3618475), (10, 2894780), (14, 2067700), (20, 1447390), (23, 1258600), (25, 1157912), (28, 1033850), (29, 998200), (31, 933800), (35, 827080), (40, 723695), (46, 629300), (50, 578956), (56, 516925), (58, 499100), (62, 466900), (70, 413540), (92, 314650), (100, 289478), (115, 251720), (116, 249550), (124, 233450), (140, 206770), (145, 199640), (155, 186760), (161, 179800), (175, 165416), (184, 157325), (200, 144739), (203, 142600), (217, 133400), (230, 125860), (232, 124775), (248, 116725), (280, 103385), (290, 99820), (310, 93380), (322, 89900), (350, 82708), (406, 71300), (434, 66700), (460, 62930), (575, 50344), (580, 49910), (620, 46690), (644, 44950), (667, 43400), (700, 41354), (713, 40600), (725, 39928), (775, 37352), (805, 35960), (812, 35650), (868, 33350), (899, 32200), (920, 31465), (1015, 28520), (1085, 26680), (1150, 25172), (1160, 24955), (1240, 23345), (1288, 22475), (1334, 21700), (1400, 20677), (1426, 20300), (1450, 19964), (1550, 18676), (1610, 17980), (1624, 17825), (1736, 16675), (1798, 16100), (2030, 14260), (2170, 13340), (2300, 12586), (2668, 10850), (2852, 10150), (2900, 9982), (3100, 9338), (3220, 8990), (3335, 8680), (3565, 8120), (3596, 8050), (4025, 7192), (4060, 7130), (4340, 6670), (4495, 6440), (4600, 6293), (4669, 6200), (4991, 5800), (5075, 5704), (5336, 5425)]