385888000

素因数分解:

$2^8\times 5^3\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:451

約数の個数: 144

約数和(自身を含む): 994855680

約数和(自身を除く): 608967680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 256, 310, 320, 389, 400, 496, 500, 620, 640, 775, 778, 800, 992, 1000, 1240, 1280, 1550, 1556, 1600, 1945, 1984, 2000, 2480, 3100, 3112, 3200, 3875, 3890, 3968, 4000, 4960, 6200, 6224, 6400, 7750, 7780, 7936, 8000, 9725, 9920, 12059, 12400, 12448, 15500, 15560, 16000, 19450, 19840, 24118, 24800, 24896, 31000, 31120, 32000, 38900, 39680, 48236, 48625, 49600, 49792, 60295, 62000, 62240, 77800, 96472, 97250, 99200, 99584, 120590, 124000, 124480, 155600, 192944, 194500, 198400, 241180, 248000, 248960, 301475, 311200, 385888, 389000, 482360, 496000, 497920, 602950, 622400, 771776, 778000, 964720, 992000, 1205900, 1244800, 1507375, 1543552, 1556000, 1929440, 2411800, 2489600, 3014750, 3087104, 3112000, 3858880, 4823600, 6029500, 6224000, 7717760, 9647200, 12059000, 12448000, 15435520, 19294400, 24118000, 38588800, 48236000, 77177600, 96472000, 192944000, 385888000]

約数ペア:

[(1, 385888000), (2, 192944000), (4, 96472000), (5, 77177600), (8, 48236000), (10, 38588800), (16, 24118000), (20, 19294400), (25, 15435520), (31, 12448000), (32, 12059000), (40, 9647200), (50, 7717760), (62, 6224000), (64, 6029500), (80, 4823600), (100, 3858880), (124, 3112000), (125, 3087104), (128, 3014750), (155, 2489600), (160, 2411800), (200, 1929440), (248, 1556000), (250, 1543552), (256, 1507375), (310, 1244800), (320, 1205900), (389, 992000), (400, 964720), (496, 778000), (500, 771776), (620, 622400), (640, 602950), (775, 497920), (778, 496000), (800, 482360), (992, 389000), (1000, 385888), (1240, 311200), (1280, 301475), (1550, 248960), (1556, 248000), (1600, 241180), (1945, 198400), (1984, 194500), (2000, 192944), (2480, 155600), (3100, 124480), (3112, 124000), (3200, 120590), (3875, 99584), (3890, 99200), (3968, 97250), (4000, 96472), (4960, 77800), (6200, 62240), (6224, 62000), (6400, 60295), (7750, 49792), (7780, 49600), (7936, 48625), (8000, 48236), (9725, 39680), (9920, 38900), (12059, 32000), (12400, 31120), (12448, 31000), (15500, 24896), (15560, 24800), (16000, 24118), (19450, 19840)]