219728000

素因数分解:

$2^7\times 5^3\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:503

約数の個数: 128

約数和(自身を含む): 565194240

約数和(自身を除く): 345466240

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, 400, 443, 496, 500, 620, 640, 775, 800, 886, 992, 1000, 1240, 1550, 1600, 1772, 1984, 2000, 2215, 2480, 3100, 3200, 3544, 3875, 3968, 4000, 4430, 4960, 6200, 7088, 7750, 8000, 8860, 9920, 11075, 12400, 13733, 14176, 15500, 16000, 17720, 19840, 22150, 24800, 27466, 28352, 31000, 35440, 44300, 49600, 54932, 55375, 56704, 62000, 68665, 70880, 88600, 99200, 109864, 110750, 124000, 137330, 141760, 177200, 219728, 221500, 248000, 274660, 283520, 343325, 354400, 439456, 443000, 496000, 549320, 686650, 708800, 878912, 886000, 1098640, 1373300, 1417600, 1716625, 1757824, 1772000, 2197280, 2746600, 3433250, 3544000, 4394560, 5493200, 6866500, 7088000, 8789120, 10986400, 13733000, 21972800, 27466000, 43945600, 54932000, 109864000, 219728000]

約数ペア:

[(1, 219728000), (2, 109864000), (4, 54932000), (5, 43945600), (8, 27466000), (10, 21972800), (16, 13733000), (20, 10986400), (25, 8789120), (31, 7088000), (32, 6866500), (40, 5493200), (50, 4394560), (62, 3544000), (64, 3433250), (80, 2746600), (100, 2197280), (124, 1772000), (125, 1757824), (128, 1716625), (155, 1417600), (160, 1373300), (200, 1098640), (248, 886000), (250, 878912), (310, 708800), (320, 686650), (400, 549320), (443, 496000), (496, 443000), (500, 439456), (620, 354400), (640, 343325), (775, 283520), (800, 274660), (886, 248000), (992, 221500), (1000, 219728), (1240, 177200), (1550, 141760), (1600, 137330), (1772, 124000), (1984, 110750), (2000, 109864), (2215, 99200), (2480, 88600), (3100, 70880), (3200, 68665), (3544, 62000), (3875, 56704), (3968, 55375), (4000, 54932), (4430, 49600), (4960, 44300), (6200, 35440), (7088, 31000), (7750, 28352), (8000, 27466), (8860, 24800), (9920, 22150), (11075, 19840), (12400, 17720), (13733, 16000), (14176, 15500)]