498487040

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 1275456000

約数和(自身を除く): 776968960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 103, 128, 152, 160, 190, 199, 206, 256, 304, 320, 380, 398, 412, 515, 608, 640, 760, 796, 824, 995, 1030, 1216, 1280, 1520, 1592, 1648, 1957, 1990, 2060, 2432, 3040, 3184, 3296, 3781, 3914, 3980, 4120, 4864, 6080, 6368, 6592, 7562, 7828, 7960, 8240, 9785, 12160, 12736, 13184, 15124, 15656, 15920, 16480, 18905, 19570, 20497, 24320, 25472, 26368, 30248, 31312, 31840, 32960, 37810, 39140, 40994, 50944, 60496, 62624, 63680, 65920, 75620, 78280, 81988, 102485, 120992, 125248, 127360, 131840, 151240, 156560, 163976, 204970, 241984, 250496, 254720, 302480, 313120, 327952, 389443, 409940, 483968, 500992, 604960, 626240, 655904, 778886, 819880, 967936, 1209920, 1252480, 1311808, 1557772, 1639760, 1947215, 2419840, 2504960, 2623616, 3115544, 3279520, 3894430, 4839680, 5247232, 6231088, 6559040, 7788860, 12462176, 13118080, 15577720, 24924352, 26236160, 31155440, 49848704, 62310880, 99697408, 124621760, 249243520, 498487040]

約数ペア:

[(1, 498487040), (2, 249243520), (4, 124621760), (5, 99697408), (8, 62310880), (10, 49848704), (16, 31155440), (19, 26236160), (20, 24924352), (32, 15577720), (38, 13118080), (40, 12462176), (64, 7788860), (76, 6559040), (80, 6231088), (95, 5247232), (103, 4839680), (128, 3894430), (152, 3279520), (160, 3115544), (190, 2623616), (199, 2504960), (206, 2419840), (256, 1947215), (304, 1639760), (320, 1557772), (380, 1311808), (398, 1252480), (412, 1209920), (515, 967936), (608, 819880), (640, 778886), (760, 655904), (796, 626240), (824, 604960), (995, 500992), (1030, 483968), (1216, 409940), (1280, 389443), (1520, 327952), (1592, 313120), (1648, 302480), (1957, 254720), (1990, 250496), (2060, 241984), (2432, 204970), (3040, 163976), (3184, 156560), (3296, 151240), (3781, 131840), (3914, 127360), (3980, 125248), (4120, 120992), (4864, 102485), (6080, 81988), (6368, 78280), (6592, 75620), (7562, 65920), (7828, 63680), (7960, 62624), (8240, 60496), (9785, 50944), (12160, 40994), (12736, 39140), (13184, 37810), (15124, 32960), (15656, 31840), (15920, 31312), (16480, 30248), (18905, 26368), (19570, 25472), (20497, 24320)]