393669760

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:510

約数の個数: 128

約数和(自身を含む): 1035504000

約数和(自身を除く): 641834240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 199, 220, 281, 320, 352, 398, 440, 562, 640, 704, 796, 880, 995, 1124, 1405, 1408, 1592, 1760, 1990, 2189, 2248, 2810, 3091, 3184, 3520, 3980, 4378, 4496, 5620, 6182, 6368, 7040, 7960, 8756, 8992, 10945, 11240, 12364, 12736, 15455, 15920, 17512, 17984, 21890, 22480, 24728, 25472, 30910, 31840, 35024, 35968, 43780, 44960, 49456, 55919, 61820, 63680, 70048, 87560, 89920, 98912, 111838, 123640, 127360, 140096, 175120, 179840, 197824, 223676, 247280, 279595, 280192, 350240, 395648, 447352, 494560, 559190, 615109, 700480, 894704, 989120, 1118380, 1230218, 1400960, 1789408, 1978240, 2236760, 2460436, 3075545, 3578816, 4473520, 4920872, 6151090, 7157632, 8947040, 9841744, 12302180, 17894080, 19683488, 24604360, 35788160, 39366976, 49208720, 78733952, 98417440, 196834880, 393669760]

約数ペア:

[(1, 393669760), (2, 196834880), (4, 98417440), (5, 78733952), (8, 49208720), (10, 39366976), (11, 35788160), (16, 24604360), (20, 19683488), (22, 17894080), (32, 12302180), (40, 9841744), (44, 8947040), (55, 7157632), (64, 6151090), (80, 4920872), (88, 4473520), (110, 3578816), (128, 3075545), (160, 2460436), (176, 2236760), (199, 1978240), (220, 1789408), (281, 1400960), (320, 1230218), (352, 1118380), (398, 989120), (440, 894704), (562, 700480), (640, 615109), (704, 559190), (796, 494560), (880, 447352), (995, 395648), (1124, 350240), (1405, 280192), (1408, 279595), (1592, 247280), (1760, 223676), (1990, 197824), (2189, 179840), (2248, 175120), (2810, 140096), (3091, 127360), (3184, 123640), (3520, 111838), (3980, 98912), (4378, 89920), (4496, 87560), (5620, 70048), (6182, 63680), (6368, 61820), (7040, 55919), (7960, 49456), (8756, 44960), (8992, 43780), (10945, 35968), (11240, 35024), (12364, 31840), (12736, 30910), (15455, 25472), (15920, 24728), (17512, 22480), (17984, 21890)]