159331340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 421344000

約数和(自身を除く): 262012660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 43, 49, 70, 76, 86, 95, 98, 133, 140, 172, 190, 196, 199, 215, 245, 266, 301, 380, 398, 430, 490, 532, 602, 665, 796, 817, 860, 931, 980, 995, 1204, 1330, 1393, 1505, 1634, 1862, 1990, 2107, 2660, 2786, 3010, 3268, 3724, 3781, 3980, 4085, 4214, 4655, 5572, 5719, 6020, 6965, 7562, 8170, 8428, 8557, 9310, 9751, 10535, 11438, 13930, 15124, 16340, 17114, 18620, 18905, 19502, 21070, 22876, 26467, 27860, 28595, 34228, 37810, 39004, 40033, 42140, 42785, 48755, 52934, 57190, 59899, 75620, 80066, 85570, 97510, 105868, 114380, 119798, 132335, 160132, 162583, 171140, 185269, 195020, 200165, 239596, 264670, 299495, 325166, 370538, 400330, 419293, 529340, 598990, 650332, 741076, 800660, 812915, 838586, 926345, 1138081, 1197980, 1625830, 1677172, 1852690, 2096465, 2276162, 3251660, 3705380, 4192930, 4552324, 5690405, 7966567, 8385860, 11380810, 15933134, 22761620, 31866268, 39832835, 79665670, 159331340]

約数ペア:

[(1, 159331340), (2, 79665670), (4, 39832835), (5, 31866268), (7, 22761620), (10, 15933134), (14, 11380810), (19, 8385860), (20, 7966567), (28, 5690405), (35, 4552324), (38, 4192930), (43, 3705380), (49, 3251660), (70, 2276162), (76, 2096465), (86, 1852690), (95, 1677172), (98, 1625830), (133, 1197980), (140, 1138081), (172, 926345), (190, 838586), (196, 812915), (199, 800660), (215, 741076), (245, 650332), (266, 598990), (301, 529340), (380, 419293), (398, 400330), (430, 370538), (490, 325166), (532, 299495), (602, 264670), (665, 239596), (796, 200165), (817, 195020), (860, 185269), (931, 171140), (980, 162583), (995, 160132), (1204, 132335), (1330, 119798), (1393, 114380), (1505, 105868), (1634, 97510), (1862, 85570), (1990, 80066), (2107, 75620), (2660, 59899), (2786, 57190), (3010, 52934), (3268, 48755), (3724, 42785), (3781, 42140), (3980, 40033), (4085, 39004), (4214, 37810), (4655, 34228), (5572, 28595), (5719, 27860), (6020, 26467), (6965, 22876), (7562, 21070), (8170, 19502), (8428, 18905), (8557, 18620), (9310, 17114), (9751, 16340), (10535, 15124), (11438, 13930)]