206989650

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2857}}^1$

素因数の和:2905

約数の個数: 144

約数和(自身を含む): 663421824

約数和(自身を除く): 456432174

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 25, 30, 35, 42, 45, 46, 50, 63, 69, 70, 75, 90, 105, 115, 126, 138, 150, 161, 175, 207, 210, 225, 230, 315, 322, 345, 350, 414, 450, 483, 525, 575, 630, 690, 805, 966, 1035, 1050, 1150, 1449, 1575, 1610, 1725, 2070, 2415, 2857, 2898, 3150, 3450, 4025, 4830, 5175, 5714, 7245, 8050, 8571, 10350, 12075, 14285, 14490, 17142, 19999, 24150, 25713, 28570, 36225, 39998, 42855, 51426, 59997, 65711, 71425, 72450, 85710, 99995, 119994, 128565, 131422, 142850, 179991, 197133, 199990, 214275, 257130, 299985, 328555, 359982, 394266, 428550, 459977, 499975, 591399, 599970, 642825, 657110, 899955, 919954, 985665, 999950, 1182798, 1285650, 1379931, 1499925, 1642775, 1799910, 1971330, 2299885, 2759862, 2956995, 2999850, 3285550, 4139793, 4499775, 4599770, 4928325, 5913990, 6899655, 8279586, 8999550, 9856650, 11499425, 13799310, 14784975, 20698965, 22998850, 29569950, 34498275, 41397930, 68996550, 103494825, 206989650]

約数ペア:

[(1, 206989650), (2, 103494825), (3, 68996550), (5, 41397930), (6, 34498275), (7, 29569950), (9, 22998850), (10, 20698965), (14, 14784975), (15, 13799310), (18, 11499425), (21, 9856650), (23, 8999550), (25, 8279586), (30, 6899655), (35, 5913990), (42, 4928325), (45, 4599770), (46, 4499775), (50, 4139793), (63, 3285550), (69, 2999850), (70, 2956995), (75, 2759862), (90, 2299885), (105, 1971330), (115, 1799910), (126, 1642775), (138, 1499925), (150, 1379931), (161, 1285650), (175, 1182798), (207, 999950), (210, 985665), (225, 919954), (230, 899955), (315, 657110), (322, 642825), (345, 599970), (350, 591399), (414, 499975), (450, 459977), (483, 428550), (525, 394266), (575, 359982), (630, 328555), (690, 299985), (805, 257130), (966, 214275), (1035, 199990), (1050, 197133), (1150, 179991), (1449, 142850), (1575, 131422), (1610, 128565), (1725, 119994), (2070, 99995), (2415, 85710), (2857, 72450), (2898, 71425), (3150, 65711), (3450, 59997), (4025, 51426), (4830, 42855), (5175, 39998), (5714, 36225), (7245, 28570), (8050, 25713), (8571, 24150), (10350, 19999), (12075, 17142), (14285, 14490)]