21712000

素因数分解:

$2^7\times 5^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:111

約数の個数: 128

約数和(自身を含む): 57283200

約数和(自身を除く): 35571200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 59, 64, 80, 92, 100, 115, 118, 125, 128, 160, 184, 200, 230, 236, 250, 295, 320, 368, 400, 460, 472, 500, 575, 590, 640, 736, 800, 920, 944, 1000, 1150, 1180, 1357, 1472, 1475, 1600, 1840, 1888, 2000, 2300, 2360, 2714, 2875, 2944, 2950, 3200, 3680, 3776, 4000, 4600, 4720, 5428, 5750, 5900, 6785, 7360, 7375, 7552, 8000, 9200, 9440, 10856, 11500, 11800, 13570, 14720, 14750, 16000, 18400, 18880, 21712, 23000, 23600, 27140, 29500, 33925, 36800, 37760, 43424, 46000, 47200, 54280, 59000, 67850, 73600, 86848, 92000, 94400, 108560, 118000, 135700, 169625, 173696, 184000, 188800, 217120, 236000, 271400, 339250, 368000, 434240, 472000, 542800, 678500, 868480, 944000, 1085600, 1357000, 2171200, 2714000, 4342400, 5428000, 10856000, 21712000]

約数ペア:

[(1, 21712000), (2, 10856000), (4, 5428000), (5, 4342400), (8, 2714000), (10, 2171200), (16, 1357000), (20, 1085600), (23, 944000), (25, 868480), (32, 678500), (40, 542800), (46, 472000), (50, 434240), (59, 368000), (64, 339250), (80, 271400), (92, 236000), (100, 217120), (115, 188800), (118, 184000), (125, 173696), (128, 169625), (160, 135700), (184, 118000), (200, 108560), (230, 94400), (236, 92000), (250, 86848), (295, 73600), (320, 67850), (368, 59000), (400, 54280), (460, 47200), (472, 46000), (500, 43424), (575, 37760), (590, 36800), (640, 33925), (736, 29500), (800, 27140), (920, 23600), (944, 23000), (1000, 21712), (1150, 18880), (1180, 18400), (1357, 16000), (1472, 14750), (1475, 14720), (1600, 13570), (1840, 11800), (1888, 11500), (2000, 10856), (2300, 9440), (2360, 9200), (2714, 8000), (2875, 7552), (2944, 7375), (2950, 7360), (3200, 6785), (3680, 5900), (3776, 5750), (4000, 5428), (4600, 4720)]