220399088

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:335

約数の個数: 160

約数和(自身を含む): 573296640

約数和(自身を除く): 352897552

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 31, 38, 52, 56, 62, 76, 91, 104, 112, 124, 133, 152, 182, 208, 217, 247, 248, 257, 266, 304, 364, 403, 434, 494, 496, 514, 532, 589, 728, 806, 868, 988, 1028, 1064, 1178, 1456, 1612, 1729, 1736, 1799, 1976, 2056, 2128, 2356, 2821, 3224, 3341, 3458, 3472, 3598, 3952, 4112, 4123, 4712, 4883, 5642, 6448, 6682, 6916, 7196, 7657, 7967, 8246, 9424, 9766, 11284, 13364, 13832, 14392, 15314, 15934, 16492, 19532, 22568, 23387, 26728, 27664, 28784, 30628, 31868, 32984, 34181, 39064, 45136, 46774, 53456, 53599, 55769, 61256, 63479, 63736, 65968, 68362, 78128, 93548, 103571, 107198, 111538, 122512, 126958, 127472, 136724, 151373, 187096, 207142, 214396, 223076, 253916, 273448, 302746, 374192, 414284, 428792, 444353, 446152, 507832, 546896, 605492, 724997, 828568, 857584, 888706, 892304, 1015664, 1059611, 1210984, 1449994, 1657136, 1777412, 1967849, 2119222, 2421968, 2899988, 3554824, 3935698, 4238444, 5799976, 7109648, 7871396, 8476888, 11599952, 13774943, 15742792, 16953776, 27549886, 31485584, 55099772, 110199544, 220399088]

約数ペア:

[(1, 220399088), (2, 110199544), (4, 55099772), (7, 31485584), (8, 27549886), (13, 16953776), (14, 15742792), (16, 13774943), (19, 11599952), (26, 8476888), (28, 7871396), (31, 7109648), (38, 5799976), (52, 4238444), (56, 3935698), (62, 3554824), (76, 2899988), (91, 2421968), (104, 2119222), (112, 1967849), (124, 1777412), (133, 1657136), (152, 1449994), (182, 1210984), (208, 1059611), (217, 1015664), (247, 892304), (248, 888706), (257, 857584), (266, 828568), (304, 724997), (364, 605492), (403, 546896), (434, 507832), (494, 446152), (496, 444353), (514, 428792), (532, 414284), (589, 374192), (728, 302746), (806, 273448), (868, 253916), (988, 223076), (1028, 214396), (1064, 207142), (1178, 187096), (1456, 151373), (1612, 136724), (1729, 127472), (1736, 126958), (1799, 122512), (1976, 111538), (2056, 107198), (2128, 103571), (2356, 93548), (2821, 78128), (3224, 68362), (3341, 65968), (3458, 63736), (3472, 63479), (3598, 61256), (3952, 55769), (4112, 53599), (4123, 53456), (4712, 46774), (4883, 45136), (5642, 39064), (6448, 34181), (6682, 32984), (6916, 31868), (7196, 30628), (7657, 28784), (7967, 27664), (8246, 26728), (9424, 23387), (9766, 22568), (11284, 19532), (13364, 16492), (13832, 15934), (14392, 15314)]