397831000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:411

約数の個数: 192

約数和(自身を含む): 1133196480

約数和(自身を除く): 735365480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 49, 50, 56, 70, 92, 98, 100, 115, 125, 140, 161, 175, 184, 196, 200, 230, 245, 250, 280, 322, 350, 353, 392, 460, 490, 500, 575, 644, 700, 706, 805, 875, 920, 980, 1000, 1127, 1150, 1225, 1288, 1400, 1412, 1610, 1750, 1765, 1960, 2254, 2300, 2450, 2471, 2824, 2875, 3220, 3500, 3530, 4025, 4508, 4600, 4900, 4942, 5635, 5750, 6125, 6440, 7000, 7060, 8050, 8119, 8825, 9016, 9800, 9884, 11270, 11500, 12250, 12355, 14120, 16100, 16238, 17297, 17650, 19768, 20125, 22540, 23000, 24500, 24710, 28175, 32200, 32476, 34594, 35300, 40250, 40595, 44125, 45080, 49000, 49420, 56350, 56833, 61775, 64952, 69188, 70600, 80500, 81190, 86485, 88250, 98840, 112700, 113666, 123550, 138376, 140875, 161000, 162380, 172970, 176500, 202975, 225400, 227332, 247100, 281750, 284165, 308875, 324760, 345940, 353000, 397831, 405950, 432425, 454664, 494200, 563500, 568330, 617750, 691880, 795662, 811900, 864850, 1014875, 1127000, 1136660, 1235500, 1420825, 1591324, 1623800, 1729700, 1989155, 2029750, 2162125, 2273320, 2471000, 2841650, 3182648, 3459400, 3978310, 4059500, 4324250, 5683300, 7104125, 7956620, 8119000, 8648500, 9945775, 11366600, 14208250, 15913240, 17297000, 19891550, 28416500, 39783100, 49728875, 56833000, 79566200, 99457750, 198915500, 397831000]

約数ペア:

[(1, 397831000), (2, 198915500), (4, 99457750), (5, 79566200), (7, 56833000), (8, 49728875), (10, 39783100), (14, 28416500), (20, 19891550), (23, 17297000), (25, 15913240), (28, 14208250), (35, 11366600), (40, 9945775), (46, 8648500), (49, 8119000), (50, 7956620), (56, 7104125), (70, 5683300), (92, 4324250), (98, 4059500), (100, 3978310), (115, 3459400), (125, 3182648), (140, 2841650), (161, 2471000), (175, 2273320), (184, 2162125), (196, 2029750), (200, 1989155), (230, 1729700), (245, 1623800), (250, 1591324), (280, 1420825), (322, 1235500), (350, 1136660), (353, 1127000), (392, 1014875), (460, 864850), (490, 811900), (500, 795662), (575, 691880), (644, 617750), (700, 568330), (706, 563500), (805, 494200), (875, 454664), (920, 432425), (980, 405950), (1000, 397831), (1127, 353000), (1150, 345940), (1225, 324760), (1288, 308875), (1400, 284165), (1412, 281750), (1610, 247100), (1750, 227332), (1765, 225400), (1960, 202975), (2254, 176500), (2300, 172970), (2450, 162380), (2471, 161000), (2824, 140875), (2875, 138376), (3220, 123550), (3500, 113666), (3530, 112700), (4025, 98840), (4508, 88250), (4600, 86485), (4900, 81190), (4942, 80500), (5635, 70600), (5750, 69188), (6125, 64952), (6440, 61775), (7000, 56833), (7060, 56350), (8050, 49420), (8119, 49000), (8825, 45080), (9016, 44125), (9800, 40595), (9884, 40250), (11270, 35300), (11500, 34594), (12250, 32476), (12355, 32200), (14120, 28175), (16100, 24710), (16238, 24500), (17297, 23000), (17650, 22540), (19768, 20125)]