461680000

素因数分解:

$2^7\times 5^4\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:262

約数の個数: 160

約数和(自身を含む): 1194930000

約数和(自身を除く): 733250000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 116, 125, 128, 145, 160, 199, 200, 232, 250, 290, 320, 398, 400, 464, 500, 580, 625, 640, 725, 796, 800, 928, 995, 1000, 1160, 1250, 1450, 1592, 1600, 1856, 1990, 2000, 2320, 2500, 2900, 3184, 3200, 3625, 3712, 3980, 4000, 4640, 4975, 5000, 5771, 5800, 6368, 7250, 7960, 8000, 9280, 9950, 10000, 11542, 11600, 12736, 14500, 15920, 16000, 18125, 18560, 19900, 20000, 23084, 23200, 24875, 25472, 28855, 29000, 31840, 36250, 39800, 40000, 46168, 46400, 49750, 57710, 58000, 63680, 72500, 79600, 80000, 92336, 92800, 99500, 115420, 116000, 124375, 127360, 144275, 145000, 159200, 184672, 199000, 230840, 232000, 248750, 288550, 290000, 318400, 369344, 398000, 461680, 464000, 497500, 577100, 580000, 636800, 721375, 738688, 796000, 923360, 995000, 1154200, 1160000, 1442750, 1592000, 1846720, 1990000, 2308400, 2320000, 2885500, 3184000, 3606875, 3693440, 3980000, 4616800, 5771000, 7213750, 7960000, 9233600, 11542000, 14427500, 15920000, 18467200, 23084000, 28855000, 46168000, 57710000, 92336000, 115420000, 230840000, 461680000]

約数ペア:

[(1, 461680000), (2, 230840000), (4, 115420000), (5, 92336000), (8, 57710000), (10, 46168000), (16, 28855000), (20, 23084000), (25, 18467200), (29, 15920000), (32, 14427500), (40, 11542000), (50, 9233600), (58, 7960000), (64, 7213750), (80, 5771000), (100, 4616800), (116, 3980000), (125, 3693440), (128, 3606875), (145, 3184000), (160, 2885500), (199, 2320000), (200, 2308400), (232, 1990000), (250, 1846720), (290, 1592000), (320, 1442750), (398, 1160000), (400, 1154200), (464, 995000), (500, 923360), (580, 796000), (625, 738688), (640, 721375), (725, 636800), (796, 580000), (800, 577100), (928, 497500), (995, 464000), (1000, 461680), (1160, 398000), (1250, 369344), (1450, 318400), (1592, 290000), (1600, 288550), (1856, 248750), (1990, 232000), (2000, 230840), (2320, 199000), (2500, 184672), (2900, 159200), (3184, 145000), (3200, 144275), (3625, 127360), (3712, 124375), (3980, 116000), (4000, 115420), (4640, 99500), (4975, 92800), (5000, 92336), (5771, 80000), (5800, 79600), (6368, 72500), (7250, 63680), (7960, 58000), (8000, 57710), (9280, 49750), (9950, 46400), (10000, 46168), (11542, 40000), (11600, 39800), (12736, 36250), (14500, 31840), (15920, 29000), (16000, 28855), (18125, 25472), (18560, 24875), (19900, 23200), (20000, 23084)]