254620520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{229}}^1$

素因数の和:296

約数の個数: 192

約数和(自身を含む): 757123200

約数和(自身を除く): 502502680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 229, 266, 280, 308, 361, 380, 385, 418, 440, 458, 532, 616, 665, 722, 760, 770, 836, 916, 1045, 1064, 1145, 1330, 1444, 1463, 1540, 1603, 1672, 1805, 1832, 2090, 2290, 2519, 2527, 2660, 2888, 2926, 3080, 3206, 3610, 3971, 4180, 4351, 4580, 5038, 5054, 5320, 5852, 6412, 7220, 7315, 7942, 8015, 8360, 8702, 9160, 10076, 10108, 11704, 12595, 12635, 12824, 14440, 14630, 15884, 16030, 17404, 17633, 19855, 20152, 20216, 21755, 25190, 25270, 27797, 29260, 30457, 31768, 32060, 34808, 35266, 39710, 43510, 47861, 50380, 50540, 55594, 58520, 60914, 64120, 70532, 79420, 82669, 87020, 88165, 95722, 100760, 101080, 111188, 121828, 138985, 141064, 152285, 158840, 165338, 174040, 176330, 191444, 222376, 239305, 243656, 277970, 304570, 330676, 335027, 352660, 382888, 413345, 478610, 555940, 578683, 609140, 661352, 670054, 705320, 826690, 909359, 957220, 1111880, 1157366, 1218280, 1340108, 1653380, 1675135, 1818718, 1914440, 2314732, 2680216, 2893415, 3306760, 3350270, 3637436, 4546795, 4629464, 5786830, 6365513, 6700540, 7274872, 9093590, 11573660, 12731026, 13401080, 18187180, 23147320, 25462052, 31827565, 36374360, 50924104, 63655130, 127310260, 254620520]

約数ペア:

[(1, 254620520), (2, 127310260), (4, 63655130), (5, 50924104), (7, 36374360), (8, 31827565), (10, 25462052), (11, 23147320), (14, 18187180), (19, 13401080), (20, 12731026), (22, 11573660), (28, 9093590), (35, 7274872), (38, 6700540), (40, 6365513), (44, 5786830), (55, 4629464), (56, 4546795), (70, 3637436), (76, 3350270), (77, 3306760), (88, 2893415), (95, 2680216), (110, 2314732), (133, 1914440), (140, 1818718), (152, 1675135), (154, 1653380), (190, 1340108), (209, 1218280), (220, 1157366), (229, 1111880), (266, 957220), (280, 909359), (308, 826690), (361, 705320), (380, 670054), (385, 661352), (418, 609140), (440, 578683), (458, 555940), (532, 478610), (616, 413345), (665, 382888), (722, 352660), (760, 335027), (770, 330676), (836, 304570), (916, 277970), (1045, 243656), (1064, 239305), (1145, 222376), (1330, 191444), (1444, 176330), (1463, 174040), (1540, 165338), (1603, 158840), (1672, 152285), (1805, 141064), (1832, 138985), (2090, 121828), (2290, 111188), (2519, 101080), (2527, 100760), (2660, 95722), (2888, 88165), (2926, 87020), (3080, 82669), (3206, 79420), (3610, 70532), (3971, 64120), (4180, 60914), (4351, 58520), (4580, 55594), (5038, 50540), (5054, 50380), (5320, 47861), (5852, 43510), (6412, 39710), (7220, 35266), (7315, 34808), (7942, 32060), (8015, 31768), (8360, 30457), (8702, 29260), (9160, 27797), (10076, 25270), (10108, 25190), (11704, 21755), (12595, 20216), (12635, 20152), (12824, 19855), (14440, 17633), (14630, 17404), (15884, 16030)]