391713920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 192

約数和(自身を含む): 1066073400

約数和(自身を除く): 674359480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 89, 92, 104, 115, 128, 130, 160, 178, 184, 208, 230, 260, 299, 320, 356, 368, 416, 445, 460, 520, 529, 598, 640, 712, 736, 832, 890, 920, 1040, 1058, 1157, 1196, 1424, 1472, 1495, 1664, 1780, 1840, 2047, 2080, 2116, 2314, 2392, 2645, 2848, 2944, 2990, 3560, 3680, 4094, 4160, 4232, 4628, 4784, 5290, 5696, 5785, 5980, 6877, 7120, 7360, 8188, 8320, 8464, 9256, 9568, 10235, 10580, 11392, 11570, 11960, 13754, 14240, 14720, 16376, 16928, 18512, 19136, 20470, 21160, 23140, 23920, 26611, 27508, 28480, 32752, 33856, 34385, 37024, 38272, 40940, 42320, 46280, 47081, 47840, 53222, 55016, 56960, 65504, 67712, 68770, 74048, 81880, 84640, 92560, 94162, 95680, 106444, 110032, 131008, 133055, 137540, 148096, 163760, 169280, 185120, 188324, 191360, 212888, 220064, 235405, 262016, 266110, 275080, 327520, 338560, 370240, 376648, 425776, 440128, 470810, 532220, 550160, 612053, 655040, 740480, 753296, 851552, 880256, 941620, 1064440, 1100320, 1224106, 1310080, 1506592, 1703104, 1883240, 2128880, 2200640, 2448212, 3013184, 3060265, 3406208, 3766480, 4257760, 4401280, 4896424, 6026368, 6120530, 7532960, 8515520, 9792848, 12241060, 15065920, 17031040, 19585696, 24482120, 30131840, 39171392, 48964240, 78342784, 97928480, 195856960, 391713920]

約数ペア:

[(1, 391713920), (2, 195856960), (4, 97928480), (5, 78342784), (8, 48964240), (10, 39171392), (13, 30131840), (16, 24482120), (20, 19585696), (23, 17031040), (26, 15065920), (32, 12241060), (40, 9792848), (46, 8515520), (52, 7532960), (64, 6120530), (65, 6026368), (80, 4896424), (89, 4401280), (92, 4257760), (104, 3766480), (115, 3406208), (128, 3060265), (130, 3013184), (160, 2448212), (178, 2200640), (184, 2128880), (208, 1883240), (230, 1703104), (260, 1506592), (299, 1310080), (320, 1224106), (356, 1100320), (368, 1064440), (416, 941620), (445, 880256), (460, 851552), (520, 753296), (529, 740480), (598, 655040), (640, 612053), (712, 550160), (736, 532220), (832, 470810), (890, 440128), (920, 425776), (1040, 376648), (1058, 370240), (1157, 338560), (1196, 327520), (1424, 275080), (1472, 266110), (1495, 262016), (1664, 235405), (1780, 220064), (1840, 212888), (2047, 191360), (2080, 188324), (2116, 185120), (2314, 169280), (2392, 163760), (2645, 148096), (2848, 137540), (2944, 133055), (2990, 131008), (3560, 110032), (3680, 106444), (4094, 95680), (4160, 94162), (4232, 92560), (4628, 84640), (4784, 81880), (5290, 74048), (5696, 68770), (5785, 67712), (5980, 65504), (6877, 56960), (7120, 55016), (7360, 53222), (8188, 47840), (8320, 47081), (8464, 46280), (9256, 42320), (9568, 40940), (10235, 38272), (10580, 37024), (11392, 34385), (11570, 33856), (11960, 32752), (13754, 28480), (14240, 27508), (14720, 26611), (16376, 23920), (16928, 23140), (18512, 21160), (19136, 20470)]