47728000

素因数分解:

$2^7\times 5^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 125704800

約数和(自身を除く): 77976800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 125, 128, 152, 157, 160, 190, 200, 250, 304, 314, 320, 380, 400, 475, 500, 608, 628, 640, 760, 785, 800, 950, 1000, 1216, 1256, 1520, 1570, 1600, 1900, 2000, 2375, 2432, 2512, 2983, 3040, 3140, 3200, 3800, 3925, 4000, 4750, 5024, 5966, 6080, 6280, 7600, 7850, 8000, 9500, 10048, 11932, 12160, 12560, 14915, 15200, 15700, 16000, 19000, 19625, 20096, 23864, 25120, 29830, 30400, 31400, 38000, 39250, 47728, 50240, 59660, 60800, 62800, 74575, 76000, 78500, 95456, 100480, 119320, 125600, 149150, 152000, 157000, 190912, 238640, 251200, 298300, 304000, 314000, 372875, 381824, 477280, 502400, 596600, 628000, 745750, 954560, 1193200, 1256000, 1491500, 1909120, 2386400, 2512000, 2983000, 4772800, 5966000, 9545600, 11932000, 23864000, 47728000]

約数ペア:

[(1, 47728000), (2, 23864000), (4, 11932000), (5, 9545600), (8, 5966000), (10, 4772800), (16, 2983000), (19, 2512000), (20, 2386400), (25, 1909120), (32, 1491500), (38, 1256000), (40, 1193200), (50, 954560), (64, 745750), (76, 628000), (80, 596600), (95, 502400), (100, 477280), (125, 381824), (128, 372875), (152, 314000), (157, 304000), (160, 298300), (190, 251200), (200, 238640), (250, 190912), (304, 157000), (314, 152000), (320, 149150), (380, 125600), (400, 119320), (475, 100480), (500, 95456), (608, 78500), (628, 76000), (640, 74575), (760, 62800), (785, 60800), (800, 59660), (950, 50240), (1000, 47728), (1216, 39250), (1256, 38000), (1520, 31400), (1570, 30400), (1600, 29830), (1900, 25120), (2000, 23864), (2375, 20096), (2432, 19625), (2512, 19000), (2983, 16000), (3040, 15700), (3140, 15200), (3200, 14915), (3800, 12560), (3925, 12160), (4000, 11932), (4750, 10048), (5024, 9500), (5966, 8000), (6080, 7850), (6280, 7600)]