189968000

素因数分解:

$2^7\times 5^3\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 488816640

約数和(自身を除く): 298848640

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, 310, 320, 383, 400, 496, 500, 620, 640, 766, 775, 800, 992, 1000, 1240, 1532, 1550, 1600, 1915, 1984, 2000, 2480, 3064, 3100, 3200, 3830, 3875, 3968, 4000, 4960, 6128, 6200, 7660, 7750, 8000, 9575, 9920, 11873, 12256, 12400, 15320, 15500, 16000, 19150, 19840, 23746, 24512, 24800, 30640, 31000, 38300, 47492, 47875, 49024, 49600, 59365, 61280, 62000, 76600, 94984, 95750, 99200, 118730, 122560, 124000, 153200, 189968, 191500, 237460, 245120, 248000, 296825, 306400, 379936, 383000, 474920, 496000, 593650, 612800, 759872, 766000, 949840, 1187300, 1225600, 1484125, 1519744, 1532000, 1899680, 2374600, 2968250, 3064000, 3799360, 4749200, 5936500, 6128000, 7598720, 9498400, 11873000, 18996800, 23746000, 37993600, 47492000, 94984000, 189968000]

約数ペア:

[(1, 189968000), (2, 94984000), (4, 47492000), (5, 37993600), (8, 23746000), (10, 18996800), (16, 11873000), (20, 9498400), (25, 7598720), (31, 6128000), (32, 5936500), (40, 4749200), (50, 3799360), (62, 3064000), (64, 2968250), (80, 2374600), (100, 1899680), (124, 1532000), (125, 1519744), (128, 1484125), (155, 1225600), (160, 1187300), (200, 949840), (248, 766000), (250, 759872), (310, 612800), (320, 593650), (383, 496000), (400, 474920), (496, 383000), (500, 379936), (620, 306400), (640, 296825), (766, 248000), (775, 245120), (800, 237460), (992, 191500), (1000, 189968), (1240, 153200), (1532, 124000), (1550, 122560), (1600, 118730), (1915, 99200), (1984, 95750), (2000, 94984), (2480, 76600), (3064, 62000), (3100, 61280), (3200, 59365), (3830, 49600), (3875, 49024), (3968, 47875), (4000, 47492), (4960, 38300), (6128, 31000), (6200, 30640), (7660, 24800), (7750, 24512), (8000, 23746), (9575, 19840), (9920, 19150), (11873, 16000), (12256, 15500), (12400, 15320)]