220490849488

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257107}}^1$

素因数の和:257185

約数の個数: 160

約数和(自身を含む): 571314544640

約数和(自身を除く): 350823695152

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, 266, 304, 364, 403, 434, 494, 496, 532, 589, 728, 806, 868, 988, 1064, 1178, 1456, 1612, 1729, 1736, 1976, 2128, 2356, 2821, 3224, 3458, 3472, 3952, 4123, 4712, 5642, 6448, 6916, 7657, 8246, 9424, 11284, 13832, 15314, 16492, 22568, 27664, 30628, 32984, 45136, 53599, 61256, 65968, 107198, 122512, 214396, 257107, 428792, 514214, 857584, 1028428, 1799749, 2056856, 3342391, 3599498, 4113712, 4885033, 6684782, 7198996, 7970317, 9770066, 13369564, 14397992, 15940634, 19540132, 23396737, 26739128, 28795984, 31881268, 34195231, 39080264, 46793474, 53478256, 55792219, 63505429, 63762536, 68390462, 78160528, 93586948, 103614121, 111584438, 127010858, 127525072, 136780924, 151436023, 187173896, 207228242, 223168876, 254021716, 273561848, 302872046, 374347792, 414456484, 444538003, 446337752, 508043432, 547123696, 605744092, 725298847, 828912968, 889076006, 892675504, 1016086864, 1060052161, 1211488184, 1450597694, 1657825936, 1778152012, 1968668299, 2120104322, 2422976368, 2901195388, 3556304024, 3937336598, 4240208644, 5802390776, 7112608048, 7874673196, 8480417288, 11604781552, 13780678093, 15749346392, 16960834576, 27561356186, 31498692784, 55122712372, 110245424744, 220490849488]

約数ペア:

[(1, 220490849488), (2, 110245424744), (4, 55122712372), (7, 31498692784), (8, 27561356186), (13, 16960834576), (14, 15749346392), (16, 13780678093), (19, 11604781552), (26, 8480417288), (28, 7874673196), (31, 7112608048), (38, 5802390776), (52, 4240208644), (56, 3937336598), (62, 3556304024), (76, 2901195388), (91, 2422976368), (104, 2120104322), (112, 1968668299), (124, 1778152012), (133, 1657825936), (152, 1450597694), (182, 1211488184), (208, 1060052161), (217, 1016086864), (247, 892675504), (248, 889076006), (266, 828912968), (304, 725298847), (364, 605744092), (403, 547123696), (434, 508043432), (494, 446337752), (496, 444538003), (532, 414456484), (589, 374347792), (728, 302872046), (806, 273561848), (868, 254021716), (988, 223168876), (1064, 207228242), (1178, 187173896), (1456, 151436023), (1612, 136780924), (1729, 127525072), (1736, 127010858), (1976, 111584438), (2128, 103614121), (2356, 93586948), (2821, 78160528), (3224, 68390462), (3458, 63762536), (3472, 63505429), (3952, 55792219), (4123, 53478256), (4712, 46793474), (5642, 39080264), (6448, 34195231), (6916, 31881268), (7657, 28795984), (8246, 26739128), (9424, 23396737), (11284, 19540132), (13832, 15940634), (15314, 14397992), (16492, 13369564), (22568, 9770066), (27664, 7970317), (30628, 7198996), (32984, 6684782), (45136, 4885033), (53599, 4113712), (61256, 3599498), (65968, 3342391), (107198, 2056856), (122512, 1799749), (214396, 1028428), (257107, 857584), (428792, 514214)]